Carrier HT32BH850 Crankcase Heater 318423-701 utilizing this HVAC prefilter is

utilizing this HVAC prefilter is essential for optimizing the service life of expensive MERV-rated filters downstream while ensuring the system operates within its designed performance curves

ensuring consistent wall thickness and optimal tolerances for 1-1/4" nominal (1-3/8" OD) tubing

Common Questions: What units are compatible with these gaskets

Encased in a rigid thermoplastic conduit box

Field Adjustable: Features a screwdriver-adjustable set point within the 100-425 PSIG range for precise fine-tuning based on specific system requirements

Carrier HT32BH850 Crankcase Heater 318423-701 utilizing this HVAC prefilter isThe Carrier HT32BH850 Crankcase Heater is a critical OEM replacement part designed to maintain optimal oil viscosity in high capacity HVAC compressors. Specifically engineered for 480V systems, this 70W resistive bellyband heater prevents refrigerant migration to the crankcase during the off cycle, mitigating the risk of slugging and bearing washout at startup. Its low profile, wrap around design ensures maximum heat transfer to the compressor shell,