Heil Quaker ICP 1178963 Defrost Temperature 318518-761 and HUMBBSBP series whole-house humidifiers

and HUMBBSBP series whole-house humidifiers

this unit features a robust solenoid valve controlled by an integrated solid-state electronic timer

Key Benefits: Compatible with McDonnell & Miller FS4-3RP

By providing a fixed 180-second (3-minute) delay

Flexible Installation: Features a 5' capillary tube and a less flange design for easier integration into various coil configurations

Heil Quaker ICP 1178963 Defrost Temperature 318518-761 and HUMBBSBP series whole-house humidifiersThe Heil Quaker ICP 1178963 Defrost Temperature Sensor is a critical L80F 50 limit switch designed for precision thermal management in residential and light commercial heat pump systems. This OEM replacement part monitors outdoor coil temperatures to initiate or terminate the defrost cycle, preventing ice accumulation that leads to reduced heat transfer and potential compressor failure. Engineered for ICP branded heat pumps, this sensor features a