Zone Control Brochure

Submittal Sheet

Installation / Operation Manual

Tekmar 304V - Zone Valve Control, Four Zones with Priority

The Switching Relay 301P connects to one thermostat and operates a circulator and boiler to provide heating to a hydronic heating system. The 301P includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation maximize energy savings.

Features

Compatible with all low voltage thermostats
Pump exercising
Post purge
LED for power and zone
20 VA transformer
Thermal circuit breaker protects transformer
CSA approved
Hinged cover
Top, bottom and back conduit knockouts
Fuse protects pump
Spare fuse included
3-Year warranty

Specifications

Control: Microprocessor control. This is not a safety (limit) control
Packaged Weight: 2.5 lbs
Dimensions 6-11/16" H x 4-15/16" W x 2-7/16" D
Enclosure: Cover: ABS plastic, Base: galvanized steel, NEMA type
Approvals: CSA C US
Ambient Conditions: Indoor use only, 32 to 122 Degrees F
Power Supply: 115 V
Transformer: 20 VA at 24 V (ac), 16 VA available for thermostat
Control Load: 7.5 VA at 115 V (ac)
Fuses: T5A, 250 V slow blow, spare fuse included
Pump Relay: 230 V (ac), 5 A, 1/3 hp
Boiler XX end switch: 24 V (ac), 5 A

PKZ2100500

Collection: Tekmar

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301P - 1 Zone Switching Relay