and gas train components

A reading below 350mV typically indicates a failing thermopile

Standardized Housing: Utilizes a universal 3/4-inch thermal disc configuration for fast mounting on the plenum or inducer housing

this valve provides a substantial 3 Cv flow coefficient

Nordyne 903422 Heat Exchanger 323613-751 and gas train componentsThe Nordyne 903422 Heat Exchanger is an essential OEM replacement component engineered for high efficiency thermal transfer in residential and light commercial forced air systems. As a veteran preferred HVAC furnace part, this aluminized steel assembly is designed to withstand the rigorous thermal cycling of modern heating duty cycles, providing superior corrosion resistance. This gas heat exchanger serves as the critical safety barrier between