allowing technicians to map custom process variables such as temperature

Key Benefits: Compressor Protection: The ZP40 thermostatic charge prevents motor overload during startup by limiting suction pressure

Automatic Reset Functionality: Eliminates nuisance service calls by automatically closing the circuit at 210°F once safe operating temperatures are restored

For maximum accuracy and to maintain the specific setpoint

As an OEM replacement relay

Weil McLain 510-312-166 Relay 30067439-890 allowing technicians to map customThe Weil McLain 510 312 166 Relay is an indispensable OEM boiler replacement part specifically engineered for residential gas systems. This 120V to 24V step down transformer and relay receptacle combination delivers a stable 40VA power rating, providing the necessary current for spark ignition controls and external thermostat circuits. Designed for high performance switching, the DPDT relay configuration (Double Pole Double Throw) ensures reliable