Resideo YERM5220R8321 Thermostat 321142-301 reducing the risk of circuit

reducing the risk of circuit overload

For contractors overseeing industrial boiler applications

Is a transformer required for the millivolt circuit

Reliable HVAC Safety: Acts as a fail-safe mechanism to interrupt power to the gas valve or contactor if pressure drops below required levels

or excessive noise caused by auger misalignment indicate the base is compromised

Resideo YERM5220R8321 Thermostat 321142-301 reducing the risk of circuitThe Resideo YERM5220R8321 is a professional grade kit featuring the VisionPRO 8000 Touchscreen Thermostat and the ERM5220R1018 Equipment Remote Module. This RedLINK enabled system is engineered specifically for technicians looking to eliminate the time and labor costs associated with pulling new low voltage wires. Whether you are performing a heat pump upgrade or relocating a condensing unit, the ERM facilitates seamless wireless communication between