Lennox 34W44 Reversing Valve Els PW 17895 018" factory-drilled orifice provides the

018" factory-drilled orifice provides the precise gas-to-air ratio for rapid pilot flame establishment

Key Benefits Multi-Speed Versatility: The 3-speed selector provides flexible performance curves to match system-specific head loss requirements

Using it with different refrigerants will lead to improper metering and potential compressor damage due to incorrect pressure-to-temperature ratios

The Rheem-Ruud 42-21786-81 Relay is a specialized 24V component engineered for precise defrost cycle management in residential and commercial heat pump systems

The HVAC high pressure cutout is calibrated to trigger at 375 PSI

Lennox 34W44 Reversing Valve Els PW 17895 018" factory-drilled orifice provides theThe Lennox 34W44 Reversing Valve w Coil is a critical OEM replacement component designed to regulate refrigerant flow direction in residential and commercial heat pump systems. Engineered for precision, this 4 way reversing valve utilizes a 24V solenoid coil (50 60Hz) to manage the shift between heating and cooling cycles. With a 1 2" x 3 4" configuration, the 34W44 is a direct drop in for Lennox 100145 07 and cross references with several Allied,