Resideo YERM5220R8321 Thermostat 321142-301 Using this with lower voltage

Using this with lower voltage igniters will cause immediate component failure

For contractors overseeing industrial boiler applications

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

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

Resideo YERM5220R8321 Thermostat 321142-301 Using this with lower voltageThe 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