Durable Construction: Built to endure the thermal stress of continuous operation in commercial and industrial settings

Common Questions Does this assembly include the pilot tube

Key Benefits for Technicians OEM Precision: Guaranteed 0

it enters lockout for safety

these UT Electronic Controls Series 003-600A modules are critical for managing the gas valve and spark igniter sequence

Carrier HH18HA279 Defrost Sensor 321142-301 Durable Construction: Built to endureWhen you're out on a service call for a heat pump that is "iced up" or failing to initiate a defrost cycle, the Carrier HH18HA279 Defrost Sensor is often your primary point of failure. This OEM temperature activation switch is specifically calibrated to a 65 33 degree range, naturally closing at approximately 32F to signal the Carrier defrost control board and opening at 65F to terminate the cycle. Engineered for heavy duty heat pump maintenance, it