Built with advanced materials that resist thermal degradation and oxidative scaling

As an OEM humidifier motor

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

essential for mechanical room longevity

While it is lead-free

AERCO Boiler and Water Heater 123966 Temp Switch R-407A Built with advanced materials thatOptimize 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