Replacing a faulty Reznor heater limit switch with a verified match ensures the safety of the entire installation and minimizes downtime

the Williams P332558 maintains factory-spec static pressure and CFM ratings required for efficient burner operation

Lock-Up Capability: Provides reliable shut-off at zero flow

Technicians can achieve exact calibration using the 7-revolution range adjustment screw

Optimized Recovery: The 3800W rating at 240V provides consistent heating cycles for reliable hot water delivery

Lennox 44W49 Conversion Kit 321702-401 Replacing a faulty Reznor heaterThe Lennox 44W49 Conversion Kit is a critical OEM replacement part designed for technicians performing a field transition from liquid propane (LP) to natural gas. This high precision kit, manufactured by Honeywell (Part #LB 97805C), ensures that the gas manifold and valve assembly maintain proper manifold pressure and BTUh output after fuel conversion. Engineered specifically for Lennox G60UH(V), G60DF(V), and G61MP(V) series furnaces, it eliminates