Lennox 20J92 Transition 319825-402 specifically engineered for direct-fired makeup

specifically engineered for direct-fired makeup air units and space heating applications

You should always verify your specific furnace model number before installation

Complete Assembly: Includes the replacement motor assembly and blower wheel

Enhanced Safety Logic: Proves inducer motor operation and venting integrity to prevent carbon monoxide risks

a NEMA 4 rated enclosure model should be specified

Lennox 20J92 Transition 319825-402 specifically engineered for direct-fired makeupThe Lennox 20J92 Transition is a critical OEM flue component engineered for high efficiency gas furnaces. As a direct replacement for ADP part number 76708600, this secondary air flu transition ensures precise alignment between the combustion air system and the venting array. Designed specifically for Lennox TUA series models, including the TUA100SNAF 1 and TUA200SNSF 1, this part maintains the structural integrity of the exhaust path, preventing