This heater keeps the compressor oil warm during the off-cycle to prevent liquid refrigerant from condensing in the oil

Designed as a critical OEM replacement part

The balanced port construction compensates for high pressure drops

In technical HVAC applications

This intermittent pilot ignition valve features a 1/2-inch NPT inlet and a 3/4-inch NPT outlet

Lennox 13B97 Power Board 318973-401 This heater keeps the compressorThe Lennox 13B97 Power Board is a critical 3 phase component engineered for high demand outdoor units and industrial HVACR applications. This OD Power Board provides reliable voltage regulation for systems operating at 208 230 460V, supporting efficient power distribution to the compressor and condenser fan motors. Designed with an aluminum flange and rolled steel frame for superior thermal management and corrosion resistance, the 13B97 ensures