Unlike auto-reset models

Specifically designed for the Armstrong 813

While it can be mounted in various positions

The Nordyne 661042R Burner Orifice is a precision-engineered OEM replacement part designed for high-efficiency LP gas furnace conversion and maintenance

Armstrong Furnace R45688-001 Electrode (Ignitor) Unlike auto-reset modelsThe Armstrong Furnace R45688 001 Electrode (Ignitor) is a critical OEM replacement part designed for high voltage ignition sequences in Armstrong Air HVAC equipment. Operating at 208 240V, this heavy duty electrode provides the necessary spark gap consistency required to initiate combustion across the burner manifold. Unlike aftermarket hot surface ignitors, this dual voltage electrode is engineered to withstand high thermal cycling without premature