Armstrong Furnace R43203-002 HSI Ignitor ensuring peak HVAC heat transfer

ensuring peak HVAC heat transfer performance across the cooling circuit

including the "Blue" series and Sensi models

the Maxitrol RV47CL-1/2 is rated for a 1/2 PSI maximum inlet pressure

meeting factory specifications for current transfer

Armstrong Furnace R43203-002 HSI Ignitor ensuring peak HVAC heat transferThe 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