While it is lead-free

Attempting to bypass the DC signal will damage the control board and compromise the system's pressurized refrigerant cycle

essential for mechanical room longevity

As an OEM humidifier motor

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

AERCO Boiler and Water Heater 123966 Temp Switch R-407A While it is lead-freeOptimize 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