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the internal diaphragm or SPST contacts have likely failed
Turning the screw changes the internal bridge tension
preventing premature sensor failure and ensuring the standing pilot remains stable under varying gas pressures
Key Benefits Superior Misalignment Capacity: Absorbs 1° angular and 0
industrial maintenance professionals can effectively address internal wear in the solenoid operator and contact assemblies
Lochinvar & A.O. Smith 100189387 Valve 320720-756 the internal diaphragm or SPSTThe Lochinvar & A. O. Smith 100189387 Valve is a Liquid Propane (LP) gas valve assembly designed specifically for high efficiency heating applications, including the Lochinvar Copper Fin II and FTX 725 series. As a critical component in the gas valve kit, this assembly utilizes a negative pressure regulation system to ensure precise fuel to air ratios throughout the firing cycle. For technicians troubleshooting ignition failure or flame failure codes
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