the 100157718 and KIT3078 are identical parts

preventing contact welding and overheating in commercial water heating systems

this SPST snap-acting switch provides accurate thermal regulation across a 140°F to 550°F temperature range

For contractors tackling a White-Rodgers 37C73U-174 replacement

Mixing manufacturers on gas regulator components is a safety hazard and will prevent proper pressure regulation

Honeywell M7415A1006 Damper Actuator 30067439-890 the 100157718 and KIT3078 areThe Honeywell M7415A1006 Damper Actuator is a robust, foot mounted solution engineered for precise modulating control in economizer systems and ventilation dampers. Operating on 24V AC, this spring return actuator ensures a reliable fail safe to the normally closed position during power interruptions. Designed for high duty cycles in residential and commercial HVAC applications, it delivers 25 lb in of torque with a breakaway rating of 40 lb in,