Designed for the professional service technician

always ensure a 10MFD 370V capacitor is used and verify the blower wheel balance during installation

What is the maximum fluid temperature rating for this valve

this unit provides the necessary gas valve manifold compatibility to restore system operation without extensive piping modifications

Engineered with 17-4 PH stainless steel wetted parts

Lennox 21Z23 Kit 318423-701 Designed for the professional serviceWhen you are handling a conversion on a multi stage Lennox unit, the Lennox 21Z23 conversion kit is the standard for transitioning from natural gas to LP (liquid propane). This 2 stage gas conversion kit is engineered specifically for compatibility with Lennox furnace models in the LG LD 024 074S H U, KG 024 090, and ZG 036 074 series. As a veteran tech knows, managing manifold pressure on a two stage gas valve requires precision; this kit includes