Key Benefits: Exact OEM Compatibility: Verified as the direct replacement for the HK05YZ002

restoring full system efficiency and preventing high-pressure trips caused by inadequate airflow

it provides the internal components necessary to address common failure points such as solenoid valve leakage

Whether you are addressing a noisy blower or a failed hub

Lennox 45H98 Crankcase Heater 320788-703 Key Benefits: Exact OEM Compatibility:The 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