Carrier HT32TC707 Crankcase Heater 320720-756 Rely on this genuine replacement

Rely on this genuine replacement part to restore the intelligent logic required for fan timer control in compatible Utica and Dunkirk boiler models

Common Questions Can I use this switch for different pneumatic positions

This float uses a 1/4"-20 FNPT thread connection

Tubing-Free Operation: Serves as a more reliable thermal alternative to differential pressure switches

Always verify the incoming line voltage before installation

Carrier HT32TC707 Crankcase Heater 320720-756 Rely on this genuine replacementWhen the mercury drops, the Carrier HT32TC707 Crankcase Heater is your primary line of defense against compressor failure. This OEM Carrier replacement part is engineered to maintain oil temperature above the refrigerant saturation point, effectively preventing refrigerant migration and oil dilution during the off cycle. By keeping the lubricant at the correct viscosity, this 480V, 40W heater ensures the compressor is ready for a smooth startup,