Lennox 45H98 Crankcase Heater 322838-752 measure the actual draft at

measure the actual draft at the inducer port

it allows technicians to consolidate power for both the rooftop unit and the electric heater accessory into a single field power supply

Always cross-reference your specific model number against the DPM17A-601R specifications to ensure a proper seal and seating

high-temperature resistant materials to withstand the rigorous cycling common in commercial gas heat configurations

This kit is primarily used in Lennox G27M series furnaces

Lennox 45H98 Crankcase Heater 322838-752 measure the actual draft atThe Lennox 45H98 Crankcase Heater is a critical OEM replacement part designed to maintain optimal oil viscosity within the compressor sump during off cycles. By providing consistent thermostatic heat, this 120V 240V compatible heater prevents refrigerant migration and condensation, which are leading causes of slugging and mechanical failure at startup. This wrap around style heater is specifically engineered for a high tolerance fit on various Lennox