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Key Benefits Broad Compatibility: Acts as a direct 120VAC replacement for a wide range of OEM carbide-style ignitors in residential and commercial heating equipment
meeting factory specifications for current transfer
This A2L-compliant component utilizes Class B insulation and is UL/CSA listed
Broad Compatibility: Functions as a drop-in universal thermocouple replacement for various BASO and OEM standing pilot applications
High-Performance Switching: Designed to manage 24Vac control signals to activate higher-voltage system components like circulation pumps and draft inducers
Armstrong Furnace R43203-002 HSI Ignitor Key Benefits Broad Compatibility: ActsThe 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