Carrier HT32BH858 Crankcase Heater R-134A engineered with a 1/2-inch bore

engineered with a 1/2-inch bore to seat securely on standard motor shafts

For bottom mounting

high-speed solution designed for precise proportional damper control in commercial HVAC systems

It is primarily utilized within the Lochinvar Power-Fin (PF) series

the close-off rating typically ranges from 20 to 25 psid depending on the actuator used

Carrier HT32BH858 Crankcase Heater R-134A engineered with a 1/2-inch boreThe Carrier HT32BH858 Crankcase Heater is a critical OEM replacement part designed to protect commercial and residential compressors from liquid slugging during off cycles. Engineering specifically for 480V systems, this 70 watt belt type heater provides consistent thermal energy to the compressor sump, ensuring refrigerant stays in a vapor state and preventing oil dilution. With a versatile diameter range of 8" to 10" and 70 inch leads, this heater