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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
the Carrier HH18HA279 Defrost Sensor is often your primary point of failure
ensuring professional-grade reliability for every service call
Robust Construction: UL-listed steel shell with corrosion-resistant powder coating for long-term durability in harsh environments
and necessary gaskets required for a secure seal and stable vibration dampening
Utica-Dunkirk 26857 Fan Center 320788-702 the Carrier HH18HA279 Defrost SensorThe Utica Dunkirk 26857 Fan Center is a critical OEM replacement part designed for hydronic heating systems, specifically used to interface low voltage control circuits with line voltage blower motors. As a heavy duty boiler fan control, this unit integrates a 24V transformer with a SPDT relay to provide seamless switching performance for inducer fans or circulator pumps. For technicians troubleshooting HVAC relay boards, the 26857 offers a direct fit