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This OEM hot surface ignitor is cross-referenced with part numbers 9004534005 and IG10272
making it a staple for technicians managing complex cooling cycles and evaporator coil maintenance
Why is my one-pipe thermostat failing to regulate branch pressure
Direct Fit Compatibility: Standard 3/4 inch NPT threading ensures seamless integration into existing Conbraco 20 series manifold configurations
Lennox 73W19 Limit Switch 320788-702 This OEM hot surface ignitorThe Lennox 73W19 is a critical 155 30V OEM replacement limit switch engineered for precision temperature monitoring in high efficiency furnace applications. As a direct replacement for Lennox 102857 06, this high limit safety control is designed to break the electrical circuit if the heat exchanger temperatures exceed the 155 degree Fahrenheit threshold. This Lennox furnace limit switch prevents thermal stress on the heat exchanger and ensures the
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