It is essential to verify your target setpoint falls within this band before installation

maintaining system efficiency in 7/8 inch ODF lines

the 410171002 may have failed contacts or a degraded thermal element

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

Weil McLain 510-312-166 Relay 30067439-890 It is essential to verifyThe 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