If your cabinet accepts a 20x25x5 nominal size and matches the 19-3/4" x 24-3/4" x 4-3/8" actual size

What if my valve is stuck open

the ASCO 8215C83 is specifically optimized as an air-fuel gas vent valve for gaseous media

The Conbraco 17-402-01 Relief Valve is a high-capacity hot water pressure relief valve engineered specifically for thermal expansion protection in ASME Section IV heating boilers and water storage systems

using this Bradford White 233-46670-00 thermopile ensures exact fitment and electrical compatibility

Lennox 11K51 Conversion Kit 326070-701 If your cabinet accepts aThe Lennox 11K51 (Model 604888 14) is a critical natural to LP propane gas conversion kit engineered specifically for technical compatibility with Lennox two stage furnaces. Designed for professional field conversion, this kit enables the EL280, SL280, EL296, EL297, and ML296 series units to operate safely on regulated liquid propane. As a genuine Lennox 11K51 conversion kit, it includes high precision components such as 0. 034 inch burner orifices