Pay in 4 interest-free payments of $5.01 Learn more
Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
This gasket is designed to withstand the high-pressure and high-temperature environments of hydronic heating systems
Common Questions Can this 440V capacitor replace my existing 370V unit
Ensures precise gas flow and combustion efficiency for natural gas systems
Always verify the model and serial number before installation
both parts are technically identical
Armstrong Furnace R43127-001 Flame Sensor This gasket is designed toThe Armstrong Furnace R43127 001 Flame Sensor is a critical OEM replacement part designed for precision flame rectification in residential heating systems. This furnace flame sensor acts as a primary safety component, communicating directly with the integrated furnace control board to confirm burner ignition. If the sensor fails to detect the required microamp signal within the ignition trial period, the system triggers a safety lockout to prevent the
US$ 15.99
US$ 144.50
US$ 140.00
US$ 14.20
US$ 119.50
