{"title":"Zone Valve Controls","description":null,"products":[{"product_id":"valve-control-3-zone","title":"ZVC403-5 - 3 Zone Valve Control with Priority, Bluetooth \u0026 Taco Control App","description":"\u003cp\u003e\u003cstrong\u003eTaco ZVC403-5 - 3 Zone Valve Control with Priority, Bluetooth \u0026amp; Taco Control App\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Taco ZVC403-5 3-Zone Next Generation Valve Control with Priority is a clean, reliable way to manage up to three heating zones using 24V zone valves. Built for hydronic systems, it gives you simple thermostat inputs, clear diagnostic LEDs, and a built-in priority switch to protect your domestic hot water zone when needed. With a compact layout and easy wiring, the ZVC403-5 helps streamline installs, reduce troubleshooting time, and keep multi-zone systems running smooth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: ZVC403-5 (Replaces ZVC403-4)\u003c\/li\u003e\n\u003cli\u003eZones: 3 zone valve outputs (24 VAC)\u003c\/li\u003e\n\u003cli\u003eApplication: Hydronic heating zone control for zone valves\u003c\/li\u003e\n\u003cli\u003ePriority: Built-in priority zone function (commonly used for DHW)\u003c\/li\u003e\n\u003cli\u003eThermostat Inputs: 3 thermostat connections (one per zone)\u003c\/li\u003e\n\u003cli\u003eEnd Switch: Isolated end switch for boiler\/primary pump demand\u003c\/li\u003e\n\u003cli\u003eDiagnostics: LED indicators for power, thermostat call, and zone status\u003c\/li\u003e\n\u003cli\u003eWiring: Clearly labeled terminals for fast, clean installation\u003c\/li\u003e\n\u003cli\u003eDesign: Next Generation control board for improved reliability and serviceability\u003c\/li\u003e\n\u003cli\u003eCompatibility: Works with most 2-wire and 3-wire 24V zone valves (verify valve requirements)\u003c\/li\u003e\n\u003cli\u003eMounting: Compact enclosure for wall mounting near boiler\/mechanical room equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ1900101\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":32805684903990,"sku":"ZVC403-4","price":173.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/taco_ZVC403-4_1_wm.jpg?v=1768892133"},{"product_id":"valve-control-4-zone","title":"ZVC404-5 - 4 Zone Valve Control with Priority, Bluetooth \u0026 Taco Control App","description":"\u003cp\u003e\u003cstrong\u003eTaco ZVC404-5 - 4 Zone Valve Control with Priority, Bluetooth \u0026amp; Taco Control App\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Taco ZVC404-5 4-Zone Next Generation Valve Control with Priority is a clean, reliable way to manage up to four heating zones using 24V zone valves. Built for hydronic systems, it provides simple thermostat inputs, clear diagnostic LEDs, and a priority function that can help protect an indirect water heater zone when needed. With Bluetooth connectivity and Taco’s mobile app support, the ZVC404-5 makes setup, adjustments, and advanced settings easier without digging back into the wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: Taco\u003c\/li\u003e\n\u003cli\u003ePart Number: ZVC404-5\u003c\/li\u003e\n\u003cli\u003e4 zone valve outputs (24 VAC)\u003c\/li\u003e\n\u003cli\u003eApplication: Hydronic heating zone control for systems using zone valves\u003c\/li\u003e\n\u003cli\u003eBuilt-in priority zone function (commonly used for indirect DHW)\u003c\/li\u003e\n\u003cli\u003eThermostat Inputs: 4 thermostat connections (one per zone)End Switches: Dual isolated end switches for boiler\/system demand control\u003c\/li\u003e\n\u003cli\u003eDiagnostics: LED indicators for power, thermostat calls, and zone activity\u003c\/li\u003e\n\u003cli\u003eProtection: Fully fuse protected for added reliability\u003c\/li\u003e\n\u003cli\u003eBluetooth Enabled: Connects via Bluetooth for wireless access and configuration\u003c\/li\u003e\n\u003cli\u003eApp Support: Compatible with the Taco Control mobile app for setup, adjustments, and advanced settings\u003c\/li\u003e\n\u003cli\u003eCompatibility: Supports most 2-, 3-, and 4-wire 24V zone valves (verify valve requirements)\u003c\/li\u003e\n\u003cli\u003eWiring: Clearly labeled screw terminals for fast, clean installation\u003c\/li\u003e\n\u003cli\u003eMounting: Compact enclosure designed for wall mounting in mechanical rooms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ2020052\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":32805685133366,"sku":"ZVC404-5","price":192.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/products\/zvc404-4.jpg?v=1633382887"},{"product_id":"valve-control-5-zone","title":"ZVC405-5 - 5 Zone Valve Control with Priority, Bluetooth \u0026 Taco Control App","description":"\u003cp\u003e\u003cstrong\u003eTaco ZVC405-5 - 5 Zone Valve Control with Priority, Bluetooth \u0026amp; Taco Control App\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Taco ZVC405-5 5-Zone Next Generation Valve Control with Priority is a clean, reliable way to manage up to five heating zones using 24V zone valves. Built for hydronic systems, it provides simple thermostat inputs, clear diagnostic LEDs, and a priority function that can help protect an indirect water heater zone when needed. With Bluetooth connectivity and Taco’s mobile app support, the ZVC405-5 also makes setup and adjustments easier without digging back into the wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: ZVC405-5\u003c\/li\u003e\n\u003cli\u003eZones: 5 zone valve outputs (24 VAC)\u003c\/li\u003e\n\u003cli\u003eApplication: Hydronic heating zone control for systems using zone valves\u003c\/li\u003e\n\u003cli\u003ePriority: Built-in priority zone function (commonly used for indirect DHW)\u003c\/li\u003e\n\u003cli\u003eThermostat Inputs: 5 thermostat connections (one per zone)\u003c\/li\u003e\n\u003cli\u003eEnd Switches: Dual isolated end switches for boiler\/system demand control\u003c\/li\u003e\n\u003cli\u003eDiagnostics: LED indicators for power, thermostat calls, and zone activity\u003c\/li\u003e\n\u003cli\u003eProtection: Fully fuse protected for added reliability\u003c\/li\u003e\n\u003cli\u003eBluetooth Enabled: Connects via Bluetooth for wireless access and configuration\u003c\/li\u003e\n\u003cli\u003eApp Support: Compatible with the Taco Control mobile app for setup, adjustments, and advanced settings\u003c\/li\u003e\n\u003cli\u003eCompatibility: Supports most 2-, 3-, and 4-wire 24V zone valves (verify valve requirements)\u003c\/li\u003e\n\u003cli\u003eWiring: Clearly labeled screw terminals for fast, clean installation\u003c\/li\u003e\n\u003cli\u003eMounting: Compact enclosure designed for wall mounting in mechanical rooms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ1900103\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":32805685231670,"sku":"ZVC405-4","price":208.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/taco_zvc405-4_1_wm.jpg?v=1731538903"},{"product_id":"valve-control-6-zone","title":"ZVC406-5 - 6 Zone Valve Control with Priority, Bluetooth \u0026 Taco Control App","description":"\u003cp\u003e\u003cstrong\u003eTaco ZVC406-5 – 6 Zone Valve Control with Priority\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Taco ZVC406-5 is a zone valve control panel designed for managing up to six zones in hydronic heating systems. It offers a priority function, typically used for domestic hot water, ensuring uninterrupted service when needed. With LED diagnostics, fuse protection, and simplified wiring for 2-, 3-, or 4-wire zone valves, the ZVC406-5 streamlines installation and troubleshooting. It’s expandable up to 120 zones and includes advanced features like post-purge, pump exercise, and Bluetooth-enabled configuration for easy setup and monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: Taco\u003c\/li\u003e\n\u003cli\u003ePart Number: ZVC406-5\u003c\/li\u003e\n\u003cli\u003eZones: 6 zones with priority control (priority zone disables others when active)\u003c\/li\u003e\n\u003cli\u003eInput Voltage: 120 VAC, 60 Hz\u003c\/li\u003e\n\u003cli\u003eTransformer Capacity: Dual 40 VA (80 VA total) Class II transformers\u003c\/li\u003e\n\u003cli\u003eCompatible Valves: 2-, 3-, or 4-wire, 24 VAC zone valves\u003c\/li\u003e\n\u003cli\u003eEnd Switch Ratings: 120 VAC, 5 A (pump); 24 VAC, 1 A (main\/priority)\u003c\/li\u003e\n\u003cli\u003eIndicators: LED diagnostics for clear fault and operation status\u003c\/li\u003e\n\u003cli\u003eProtection: Built-in fuse protection\u003c\/li\u003e\n\u003cli\u003eSmart Features: Post-purge, pump exercise, SmartPlus DHW recirculation logic\u003c\/li\u003e\n\u003cli\u003eConnectivity: Bluetooth app configuration and Modbus support\u003c\/li\u003e\n\u003cli\u003eExpansion: Linkable up to 120 zones with EXP relays\u003c\/li\u003e\n\u003cli\u003eCertifications: UL and CSA listed\u003c\/li\u003e\n\u003cli\u003eWarranty: 3 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ2020053\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":32805685264438,"sku":"ZVC406-5","price":262.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/558b69c9-ee42-4359-a82c-f7285844ecd9.jpg?v=1755807082"},{"product_id":"tekmar-304v-zone-valve-control-four-zones-with-priority","title":"304V - Hydronic Heating Zone Valve Control - Four Zones with Priority","description":"\u003cp\u003e\u003cstrong\u003eTekmar 304V - Hydronic Heating Zone Valve Control - Four Zones with Priority\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Zone Valve Control 304V connects up to four thermostats and operates zone valves to provide heating to a zoned hydronic heating system. The 304V operates a system pump whenever a zone valve opens. Zone 1 can operate either a zone valve or a circulator to provide heat to an indirect domestic hot water tank with optional priority over zones 2 through 4. The 304V includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation of the domestic hot water tank to maximize energy savings. The 304V provides a RoomResponse™ signal to modulating-condensing boilers to optimize comfort while improving boiler efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRoomResponse signal, compatible with all low voltage thermostats\u003c\/li\u003e\n\u003cli\u003eFuses protect transformers and pumps\u003c\/li\u003e\n\u003cli\u003eCompatible with 2, 3 and 4-wire zone valves, unlimited zone expansion\u003c\/li\u003e\n\u003cli\u003eCSA approved\u003c\/li\u003e\n\u003cli\u003ePump exercising, post purge\u003c\/li\u003e\n\u003cli\u003eFour ground screws, Top, bottom and back conduit knockouts\u003c\/li\u003e\n\u003cli\u003eLED for each zone, priority, end switch and RoomResponse, away signal shared between tekmar thermostats\u003c\/li\u003e\n\u003cli\u003eTwo spare fuses included\u003c\/li\u003e\n\u003cli\u003eZone priority, priority override\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAgency Approvals: CSA C US\u003c\/li\u003e\n\u003cli\u003eAmbient Conditions: Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 90 percent non-condensing\u003c\/li\u003e\n\u003cli\u003eControl Load: 7 VA\u003c\/li\u003e\n\u003cli\u003eControl Type: Microprocessor control, this is not a safety (limit) control\u003c\/li\u003e\n\u003cli\u003eDimensions: 8-3\/16\" H x 10-11\/16\" W x 2-3\/8\" D (208 x 271 x 60 mm)\u003c\/li\u003e\n\u003cli\u003eEnclosure Material: Cover: ABS plastic, Base: galvanized steel\u003c\/li\u003e\n\u003cli\u003eEnclosure NEMA Rating: NEMA 1\u003c\/li\u003e\n\u003cli\u003eEnd Switch Relay: Boiler, DHW 24 V (ac), 5 A\u003c\/li\u003e\n\u003cli\u003eFuses: T5A 250 V slow blow, two spare fuses included\u003c\/li\u003e\n\u003cli\u003eMod Boiler Output1: 0-10 V (dc) 500 ohms min load impedance\u003c\/li\u003e\n\u003cli\u003eMod Boiler Output2: 4-20 mA 1 k ohms max load impedance\u003c\/li\u003e\n\u003cli\u003ePower Supply: 115 V (ac) plus \/ minus 10 percent, 60 Hz, 11 A\u003c\/li\u003e\n\u003cli\u003ePump Relay: 230 V (ac), 5 A, 1\/3 hp\u003c\/li\u003e\n\u003cli\u003eTransformer: 24 V (ac), 40 VA, expandable to 80 VA with additional transformer M3069 (sold separately)\u003c\/li\u003e\n\u003cli\u003eZone Valve End Switch: 24 V (ac)\u003c\/li\u003e\n\u003cli\u003eZone Valve Outputs: 24 V (ac), 2 A max per output\u003c\/li\u003e\n\u003cli\u003eZoning - Thermostat Type: Zone Valve Control \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ2100480\u003c\/span\u003e\u003c\/p\u003e","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":32825444433974,"sku":"304V","price":216.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/tekmar_304v.jpg?v=1704934858"},{"product_id":"zone-valve-control-306v-six-zones-with-priority","title":"306V - Zone Valve Control, Six Zones with Priority","description":"\u003cp\u003e\u003ca href=\"https:\/\/inventory.dearsystems.com\/ProductFamily\/DownloadImage?id=44d6b467-398d-4ddc-b9f9-f934efcd16f8\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/PDF_32_480x480.png?v=1628829076\"\u003eHydronic Zone Control Solutions Brochure\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/inventory.dearsystems.com\/ProductFamily\/DownloadImage?id=0239cd8f-5069-4eda-8bec-c2f3d2d11750\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/PDF_32_480x480.png?v=1628829076\"\u003eTekmar 306V Submittal\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/inventory.dearsystems.com\/ProductFamily\/DownloadImage?id=0f3d2adc-0cd3-4b1d-8bd0-5c31af6bf9d4\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/PDF_32_480x480.png?v=1628829076\"\u003eTekmar 306V Installation \u0026amp; Operation Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTekmar 306V - Zone Valve Control, Six Zones with Priority\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Zone Valve Control 306V connects up to six thermostats and operates zone valves to provide heating to a zoned hydronic heating system. The 306V operates a system pump whenever a zone valve opens. Zone 1 can operate either a zone valve or a circulator to provide heat to an indirect domestic hot water tank with optional priority over zones 2 through 6. The 306V includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation of the domestic hot water tank to maximize energy savings. The 306V provides a RoomResponse™ signal to modulating-condensing boilers to optimize comfort while improving boiler efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePump exercising, post purge\u003c\/li\u003e\n\u003cli\u003eCSA approved\u003c\/li\u003e\n\u003cli\u003eFuses protect transformers and pumps\u003c\/li\u003e\n\u003cli\u003eCompatible with 2, 3 and 4-wire zone valves, unlimited zone expansion\u003c\/li\u003e\n\u003cli\u003eFour ground screws, Top, bottom and back conduit knockouts\u003c\/li\u003e\n\u003cli\u003eLED for each zone, priority, end switch and RoomResponse™, away signal shared between tekmar thermostats\u003c\/li\u003e\n\u003cli\u003eRoomResponse™ signal, compatible with all low voltage thermostats\u003c\/li\u003e\n\u003cli\u003eTwo spare fuses included\u003c\/li\u003e\n\u003cli\u003eZone priority, priority override\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAgency Approvals: CSA C US\u003c\/li\u003e\n\u003cli\u003eAmbient Conditions: Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 90 percent non-condensing\u003c\/li\u003e\n\u003cli\u003eControl Load: 7 VA\u003c\/li\u003e\n\u003cli\u003eControl Type: Microprocessor control, this is not a safety (limit) control\u003c\/li\u003e\n\u003cli\u003eDimensions: 8-3\/16\" H x 10-11\/16\" W x 2-3\/8\" D (208 x 271 x 60 mm)\u003c\/li\u003e\n\u003cli\u003eEnclosure Material: Cover: ABS plastic, Base: galvanized steel\u003c\/li\u003e\n\u003cli\u003eEnclosure NEMA Rating: NEMA 1\u003c\/li\u003e\n\u003cli\u003eEnd Switch Relay: Boiler, DHW 24 V (ac), 5 A\u003c\/li\u003e\n\u003cli\u003eFuses: T5A 250 V slow blow, two spare fuses included\u003c\/li\u003e\n\u003cli\u003eMod Boiler Output1: 0-10 V (dc) 500 ohms min load impedance\u003c\/li\u003e\n\u003cli\u003eMod Boiler Output2: 4-20 mA 1 k ohms max load impedance\u003c\/li\u003e\n\u003cli\u003ePower Supply: 115 V (ac) plus \/ minus 10 percent, 60 Hz, 11 A\u003c\/li\u003e\n\u003cli\u003eSystem Pump: 230 V (ac), 5 A, 1\/3 hp\u003c\/li\u003e\n\u003cli\u003eTransformer: 24 V (ac), 80 VA\u003c\/li\u003e\n\u003cli\u003eZoning - Thermostat Type: Zone Valve Control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTekmar 306V Related Videos\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"Tekmar 306V Product Overview\" src=\"https:\/\/wattsdev.azureedge.net\/Dmm3BWSV3\/assetstream.aspx?assetid=60001\u0026amp;mediaformatid=50040\u0026amp;destinationid=10010\u0026amp;accesskey=baf0b15f-ed1d-4b35-abca-ab5bfab09e58\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"Tekmar RoomResponse Technology\" src=\"https:\/\/wattsdev.azureedge.net\/Dmm3BWSV3\/assetstream.aspx?assetid=77956\u0026amp;mediaformatid=50040\u0026amp;destinationid=10010\u0026amp;accesskey=d188b8b4-8339-49ee-8c0f-f592916fdd09\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ2100485\u003c\/span\u003e\u003c\/p\u003e","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":32825444532278,"sku":"306V","price":268.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/products\/tekmar_306v.jpg?v=1638303692"},{"product_id":"tn2-wiring-center-313-four-zone-valves","title":"313 - tN2 Wiring Center, Four Zone Valves","description":"\u003cp\u003e\u003ca href=\"https:\/\/inventory.dearsystems.com\/ProductFamily\/DownloadImage?id=e401620b-dcae-4d28-b218-ca369a0c94cd\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/PDF_32_480x480.png?v=1628829076\"\u003eTekmar 313 Submittal\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/inventory.dearsystems.com\/ProductFamily\/DownloadImage?id=83f0c426-cb0f-4afe-b288-71b7e93beed8\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/PDF_32_480x480.png?v=1628829076\"\u003eTekmar 313 Installation \u0026amp; Operation Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/inventory.dearsystems.com\/ProductFamily\/DownloadImage?id=020167fb-0588-4655-8e84-03511290cd43\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/PDF_32_480x480.png?v=1628829076\"\u003eTekmar 313 Quick Setup Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTekmar 313 - tN2 Wiring Center, Four Zone Valves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe tekmarNet® 2 Wiring Center 313 is designed to provide a zoning solution for heating systems. It can be used in applications ranging from baseboard zones, to remote manifolds for radiant heating. This product provides power for up to four tekmarNet ® 2 thermostats, and up to four 24 V (ac) zones valve outputs, as well as providing an end switch closure to enable an external device such as a boiler. A line voltage output on the back of the control can operate a zone group pump if required. An outdoor sensor input is included and provides the outdoor air temperature reading on each thermostat when an optional outdoor sensor is installed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCSA C US certified for use in USA and Canada\u003c\/li\u003e\n\u003cli\u003ePowered zone group pump output\u003c\/li\u003e\n\u003cli\u003eExternal diagnostic LEDs\u003c\/li\u003e\n\u003cli\u003etN4 expansion terminals\u003c\/li\u003e\n\u003cli\u003eSupports two-stage tekmarNet® 2 thermostats\u003c\/li\u003e\n\u003cli\u003eOutdoor sensor input\u003c\/li\u003e\n\u003cli\u003eOnly requires 2 wires per zone, four 24 V (ac) powered zone outputs\u003c\/li\u003e\n\u003cli\u003eFor use with tekmarNet® 2 thermostats only\u003c\/li\u003e\n\u003cli\u003eIsolated end switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAgency Approvals: CSA C US, meets class B: ICES \u0026amp; FCC Part 15\u003c\/li\u003e\n\u003cli\u003eAmbient Conditions: Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 90 percent non-condensing\u003c\/li\u003e\n\u003cli\u003eControl Type: Microprocessor control, this is not a safety (limit) control\u003c\/li\u003e\n\u003cli\u003eDimensions: 5.5\" H x 5.5\" W x 2.25\" D (140 x 140 x 57 mm)\u003c\/li\u003e\n\u003cli\u003eEnclosure Material: Blue PC+ABS plastic\u003c\/li\u003e\n\u003cli\u003eEnclosure NEMA Rating: NEMA 1\u003c\/li\u003e\n\u003cli\u003eEnd Switch Relay: 24 V (ac) 2 A\u003c\/li\u003e\n\u003cli\u003ePower Supply: 24 V (ac) plus \/ minus 10 percent, 60 Hz, 3 VA min, 99 VA max, Class 2\u003c\/li\u003e\n\u003cli\u003eSensor: NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus \/ minus 0.2 degrees C) Beta = 3892\u003c\/li\u003e\n\u003cli\u003eZone Group Pump: 115 V (ac) 5 A\u003c\/li\u003e\n\u003cli\u003eZone Valve Load: 24 V (ac) 2 A, maximum combined current (zones 1 to 4): 4 A\u003c\/li\u003e\n\u003cli\u003eZoning - Thermostat Type: tN2 Wiring Center\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ2100208\u003c\/span\u003e\u003c\/p\u003e","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":32825444794422,"sku":"313","price":361.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/products\/tekmar_313_l.jpg?v=1638294480"},{"product_id":"tn2-house-control-400-boiler-dhw-setpoint-four-zone-valves","title":"400 - tekmarNet 2 House Control, Boiler, DHW and Setpoint, Four Zone Valves","description":"\u003cp\u003e\u003ca href=\"https:\/\/inventory.dearsystems.com\/ProductFamily\/DownloadImage?id=3810b4db-5229-4b13-86e7-e09943eaf81c\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/PDF_32_480x480.png?v=1628829076\"\u003eTekmar 400 Submittal\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/inventory.dearsystems.com\/ProductFamily\/DownloadImage?id=4ca45c53-72e5-4265-b436-a42c0eb7d6c5\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/PDF_32_480x480.png?v=1628829076\"\u003eTekmar 400 Installation \u0026amp; Operation Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/inventory.dearsystems.com\/ProductFamily\/DownloadImage?id=3658d299-f33c-4c7b-ba0e-d39fe71f2b4d\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/PDF_32_480x480.png?v=1628829076\"\u003eTekmar 400 Quick Setup Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTekmar 400 - tekmarNet® 2 House Control, Boiler, DHW and Setpoint, Four Zone Valves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe tekmarNet® 2 House Control 400 is designed to operate all of the mechanical equipment in a residential hydronic heating system, coordinating their operation with network communication. It can be used in applications ranging from a single zone of baseboard with an on\/off boiler, to multiple radiant floor zones with a modulating\/condensing boiler. This control regulates one space heating water temperature through Outdoor Temperature Reset and Indoor Temperature Feedback. It is capable of controlling a single on\/off, two stage, or modulating boiler, Domestic Hot Water, setpoint loads, 4 on-board zone valves, and can expand up to 24 zones in total.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor use with tekmarNet® 2 thermostats only, tN4 expansion terminals\u003c\/li\u003e\n\u003cli\u003eWarm weather shut down, zone synchronization\u003c\/li\u003e\n\u003cli\u003eExercising, boiler protection\u003c\/li\u003e\n\u003cli\u003eOnly requires 2 Wires Per Zone, Four 24 V (ac) powered zone outputs\u003c\/li\u003e\n\u003cli\u003eOutdoor temperature reset, indoor temperature feedback\u003c\/li\u003e\n\u003cli\u003eSetpoint operation, automatic boiler differential\u003c\/li\u003e\n\u003cli\u003ePowered pump outputs, System Setback (with optional Timer)\u003c\/li\u003e\n\u003cli\u003eDHW control, DHW priority (optional)\u003c\/li\u003e\n\u003cli\u003eDHW post purge, single on\/off, two stage, or modulating boiler control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAgency Approvals: CSA C US, meets class B: ICES \u0026amp; FCC Part 15\u003c\/li\u003e\n\u003cli\u003eAmbient Conditions: Indoor use only, 32 to 104 degrees F (0 to 40 degrees C), RH less than or equal to 90 percent Non-condensing\u003c\/li\u003e\n\u003cli\u003eBoiler Stage1 Stage2 Relay: 24 V (ac) 5 A\u003c\/li\u003e\n\u003cli\u003eControl Load: 2 VA\u003c\/li\u003e\n\u003cli\u003eControl Type: Microprocessor control, this is not a safety (limit) control\u003c\/li\u003e\n\u003cli\u003eDimensions: 5.5\" H x 5.5\" W x 2.25\" D (140 x 140 x 57 mm)\u003c\/li\u003e\n\u003cli\u003eEnclosure Material: Blue PC+ABS plastic\u003c\/li\u003e\n\u003cli\u003eEnclosure NEMA Rating: NEMA 1\u003c\/li\u003e\n\u003cli\u003eHydronic - HVAC Control Type: tN2 House Control\u003c\/li\u003e\n\u003cli\u003eModulating Output: Boiler modulation 0 - 10 V (dc) 500 ohms min load impedance, 4 - 20 mA 1 k ohms max load impedance\u003c\/li\u003e\n\u003cli\u003ePower Supply: 24 V (ac) plus \/ minus 10 percent, 60 Hz, 100 VA max, Class 2\u003c\/li\u003e\n\u003cli\u003ePump Relay: 115 V (ac) 5 A, 1\/6 hp\u003c\/li\u003e\n\u003cli\u003eSensor: NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus \/ minus 0.2 degrees C) Beta=3892\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ2100425\u003c\/span\u003e\u003c\/p\u003e","brand":"Tekmar","offers":[{"title":"Default Title","offer_id":32825445482550,"sku":"400","price":868.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/products\/tekmar_400_l.jpg?v=1638335574"},{"product_id":"5amp-fuse-spare-5-amp-priced-per-bag-taco-packs","title":"SR5A-005RP - Replacement Zone Valve Controls Fuses - Pack of 10","description":"\u003cp\u003e\u003cstrong\u003eTaco SR5A-005RP - Replacement Zone Valve Controls Fuses - Pack of 10\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Taco SR5A-005RP Replacement Zone Valve Control Fuses are the correct factory-style fuses used in compatible Taco switching relay and zone valve control panels. This 10-pack makes it easy to keep spares on hand for quick service calls, protecting control boards and wiring from overloads and helping reduce downtime when a fuse blows.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: SR5A-005RP\u003c\/li\u003e\n\u003cli\u003eReplacement fuses for Taco zone valve and relay control panels\u003c\/li\u003e\n\u003cli\u003eIncludes 10 fuses\u003c\/li\u003e\n\u003cli\u003eHelps protect control panels from electrical overloads\/shorts\u003c\/li\u003e\n\u003cli\u003eIdeal for maintenance kits, service trucks, and quick repairs\u003c\/li\u003e\n\u003cli\u003eDesigned for use with compatible Taco control boards (verify model compatibility before ordering)\u003c\/li\u003e\n\u003cli\u003eFactory-style replacement for clean, reliable service swaps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ1899995\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":37112747524293,"sku":"SR5A-005RP","price":29.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/taco_SR5A-005RP_1_8ded8998-76d1-4634-8c3f-92f16573e0ab.jpg?v=1768894754"},{"product_id":"zvc404-exp-4-zone-valve-control","title":"ZVC404-EXP-4 - Expandable 4 Zone Valve Control with Priority","description":"\u003cp data-start=\"214\" data-end=\"636\"\u003e\u003cstrong\u003eTaco ZVC404-EXP-4 - Expandable 4 Zone Valve Control with Priority\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"354\" data-end=\"776\"\u003eThe Taco ZVC404-EXP-4 is a 4-zone expandable zone valve control designed for hydronic heating systems. It operates on 120v AC power and features a priority zone option, dry contact end switches for boiler integration, and a built-in pump and valve exercise timer. The expandable design allows multiple controls to be daisy-chained for larger systems, making it suitable for residential and light commercial applications.\u003c\/p\u003e\n\u003cp data-start=\"778\" data-end=\"1342\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eManufacturer: Taco Comfort Solutions\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eModel: ZVC404-EXP-4\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eType: 4 zone expandable valve control\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eVoltage: 120v AC, 60 hz, 1 phase\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eFull load amps: 1.5 amps at 120v AC\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003ePriority zone: included\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003ePump exercise: solid-state timer for pump and valve cycling\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eEnd switches: dry contact for boiler control\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eElectrical connections: screw terminals\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eWire size: 12–18 gauge for 120v AC, 14–22 gauge for other connections\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eDimensions: approximately 11.75 in L x 3 in W x 7.5 in H\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eWeight: approximately 5.75–7.5 lbs\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"1342\"\u003eCertifications: UL and CSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1344\" data-end=\"1645\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1344\" data-end=\"1645\"\u003eHydronic heating systems with multiple zones\u003c\/li\u003e\n\u003cli data-start=\"1344\" data-end=\"1645\"\u003eInstallations requiring priority control such as domestic hot water\u003c\/li\u003e\n\u003cli data-start=\"1344\" data-end=\"1645\"\u003eResidential and light commercial heating projects\u003c\/li\u003e\n\u003cli data-start=\"1344\" data-end=\"1645\"\u003eSystems where panels need to be linked for expansion\u003c\/li\u003e\n\u003cli data-start=\"1344\" data-end=\"1645\"\u003eProjects needing integrated boiler control with end switches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003ePKZ1900102\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":46990709817589,"sku":"ZVC404-EXP-4","price":194.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/818b711e-6da6-485b-9408-319bf7ae2bca.png?v=1756501937"}],"url":"https:\/\/www.supplystop.com\/collections\/zone-valve-controls\/150-200.oembed","provider":"SupplyStop.com","version":"1.0","type":"link"}