The Lennox 63W57 Pressure Switch is a critical genuine OEM component engineered for precise furnace diagnostic monitoring

Rapid Response Time: Optimized thermal conductivity allows for quick pilot engagement and fast safety shut-off

This HVAC collector box gasket facilitates a precise fit for residential gas furnaces under the Heil

Whether you are performing a full rack replacement or addressing a single faulty port

Reznor 179316 Conversion Kit 30067439-890 The Lennox 63W57 Pressure SwitchWhen you are tasked with a fuel transition in the field, the Reznor 179316 Conversion Kit provides the exact OEM components required to switch Reznor FT and SFT unit heaters from Liquid Propane (LP) to Natural Gas. This kit is specifically engineered for FT SFT 30, 45, 60, and 75 models, ensuring the burner assembly maintains its 82 83% thermal efficiency rating after the changeover. As a technician, verify your manifold pressure and gas valve