Engineered with a 250-degree F fixed temperature setpoint

adhering to exact OEM tolerances for residential and light commercial hydronic heating applications

OEM Compliance: Direct replacement for York S1-9951-1361 to maintain factory-spec combustion performance

5-inch (48 frame) motors will result in improper tension and potential failure

Lennox 83L71 Electrode Engineered with a 250-degree FThe Lennox 83L71 Electrode is a critical OEM ignition component designed for precision performance in industrial and residential gas fired systems. Engineered for high temperature environments, this replacement electrode (cross referenced as R39050B001) ensures consistent spark gap maintenance and reliable flame sensing. Whether you are servicing 10GCS or 12GCS series units, this part provides the durable conductive path required for the integrated