Taco VR3452 - Variable-Speed High-Efficiency Circulator Pump with Control - Cast Iron, Universal Flanged

The Taco VR3452-HY1-FC1A is a high-efficiency, variable-speed wet rotor circulator pump designed for closed-loop chilled and hot water systems. Featuring an Electronically Commutated Motor (ECM), it can reduce electricity use by up to 85% compared to traditional pumps. With multiple self-adjusting operating modes and advanced communication options, this pump provides flexible, energy-efficient control for residential and light commercial heating and cooling applications.

Specifications

Flow rate: 0–52 gallons per minute (GPM)
Maximum flow rate: 52 GPM
Head: 0–34 feet
Maximum head: 34 feet
Maximum operating pressure: 145 PSI (10 bar)
Temperature range: 14°F (–10°C) to 230°F (110°C)
Motor speed: variable, 1100–4400 RPM
Voltage: 115V, single phase
Horsepower: 1/4 HP
Operating power: 10–180 W
Amperage: 0.1–2.5 A
Casing: cast iron with cataphoresis coating
Impeller: non-metallic engineered polymer
Bearings: graphite
Connections: compatible with 3/4", 1", 1-1/4", and 1-1/2" flanged connections
Integrated communication module: Ethernet, Modbus RTU, and analog I/O (–FC1A01 model)
LED display: shows watts, flow, head, and RPM
Certifications: UL and CSA

Applications

Closed-loop chilled and hot water systems
Residential and light commercial hydronic heating and cooling
Energy-efficient system upgrades requiring variable-speed control
Systems requiring proportional pressure, constant pressure, or constant speed operation
Projects needing integrated communication for advanced monitoring and control

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VR3452 - Variable-Speed High-Efficiency Circulator Pump with Control - Cast Iron, Universal Flanged