8 inches and 29 inches in diameter

What is the difference between the 157S and the 157S-M

this 750 millivolt generator provides the high electrical conductivity and circuit integrity required to prevent nuisance drop-outs and ensure main burner ignition upon a call for heat

The enclosed body design minimizes noise during operation and protects internal components from dust and debris

Carrier HT32BH390 Crankcase Heater 320735-701 8 inches and 29 inchesThe Carrier HT32BH390 Crankcase Heater is a critical OEM replacement part designed to protect compressor integrity in high demand HVACR systems. As a veteran technician knows, maintaining precise crankcase temperatures is non negotiable for preventing refrigerant migration and condensation buildup during off cycles or low ambient conditions. This compressor heater band ensures optimal oil viscosity, drastically reducing the risk of slugging and