The NBR (Nitrile) seals are designed for air

This NEMA 1 rated device is suitable for plenum applications

it ensures system protection while reducing nuisance callbacks caused by temporary ignition failures

This assembly is built for HVAC repair professionals requiring reliable Lennox furnace parts for system restoration

Designed for seamless compatibility with Aaon equipment

Nordyne 103991001R Burner Head 322838-753 The NBR (Nitrile) seals areThe Nordyne 103991001R Burner Head is a precision engineered gas furnace burner component designed for specific Miller and Intertherm furnace models. This genuine OEM replacement part serves as the direct successor to the legacy 103991001 burner assembly, ensuring a seamless drop in fit without requiring manifold modifications. For contractors servicing mobile home or manufactured housing HVAC units, this replacement burner head is essential for