it ensures proper fitment and maintains the factory-specified pressure drops required for safe combustion

Durable SPST Contacts: Engineered for long-term switching reliability under standard line voltage or millivolt applications

Built with advanced materials that resist thermal degradation and oxidative scaling

Factory Precision: Pre-formed copper assembly ensures perfect alignment with York CM30/36 series coils without requiring manual bending

motor burnout

AERCO Boiler and Water Heater 123966 Temp Switch R-407A it ensures proper fitment andOptimize your heating system's safety with the AERCO 123966 Over Temperature Switch with Auto Reset. This genuine AERCO boiler part is a critical safety component designed to prevent system damage by monitoring excessive heat conditions. As a high quality OEM replacement temperature switch, it features an automatic reset function that restores operation once temperatures return to a safe range, typically between 0F and 180F. Constructed from durable