and 6 washers to facilitate a full flange-to-pipe-adapter connection

as skin oils can create hot spots that lead to premature failure

Exact OEM Match: Ensures proper fit and electrical compatibility with Rheem-Ruud 47-25349-01 specifications

If the control board displays a sensor failure code

Armstrong Furnace R43203-002 HSI Ignitor and 6 washers to facilitateThe Armstrong Furnace R43203 002 HSI Ignitor is a critical OEM replacement component engineered for precision ignition in Armstrong Air and Lennox family gas furnaces. As a high performance hot surface ignitor (HSI), this part is designed to reach the specific ohm range and temperature necessary to ensure consistent pilot free furnace ignition without tripping flame sensors or causing delayed ignition sequences. This genuine Armstrong replacement part