preventing premature HVAC rollout switch failures and nuisance trips

Complete Hardware Kit: Ships with the necessary springs

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

5 HP Permanent Split Capacitor (PSC) motor engineered for continuous-duty performance in demanding commercial and residential HVAC applications

Engineered with 17-4 PH stainless steel wetted parts

Lennox 21Z23 Kit 318423-701 preventing premature HVAC rollout switchWhen 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