Pay in 4 interest-free payments of $19.43 Learn more
Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
The 042N7457 is specifically a DC-voltage component
This 180-second delay relay is designed to prevent short-cycling
these two part numbers are identical in form
ensure the sealing surface is wire-brushed clean for the best metal-to-gasket contact
though you must never replace a 440V capacitor with a lower-rated 370V unit
Armstrong Furnace R43203-002 HSI Ignitor The 042N7457 is specifically aThe Armstrong Furnace R43203 002 HSI Ignitor is a critical OEM replacement component engineered for precision ignition in Armstrong Air and Lennox family gas furnaces. As a high performance hot surface ignitor (HSI), this part is designed to reach the specific ohm range and temperature necessary to ensure consistent pilot free furnace ignition without tripping flame sensors or causing delayed ignition sequences. This genuine Armstrong replacement part
US$ 78.00
US$ 94.00
US$ 1250.00
US$ 1169.50