Resideo 137980A Test Button Assembly 340793-762 while this specific configuration includes

while this specific configuration includes one 6-inch probe

these genuine OEM blower wheels are factory-balanced

Direct OEM fit eliminates the need for professional modifications during humidifier repair

and red (low)—ensuring precise airflow optimization based on thermostat demand

this thermal expansion valve includes the integral 60-inch capillary tube and power assembly with the sensing bulb for accurate temperature feedback from the suction line

Resideo 137980A Test Button Assembly 340793-762 while this specific configuration includesThe Resideo 137980A Test Button Assembly is a critical field service component designed for diagnosing and maintaining Honeywell electronic air cleaners. This OEM replacement part allows technicians to verify high voltage power supply operation by manually triggering a momentary arc to the ground, confirming that the collector cells and power box are functional. Engineered for a direct fit, it mounts securely into the access door, ensuring consistent