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the sensor is likely failing to send a rectification signal
as the unit is rated for up to 95% noncondensing humidity and temperatures up to 130°F
you must use the manufacturer-specified NG equivalent to ensure the correct orifice sizing and flame pattern
Always verify your specific model number
Lochinvar & A.O. Smith 100277814 Gas Valve 326058-757 the sensor is likely failingThe Lochinvar & A. O. Smith 100277814 Gas Valve is a critical OEM component engineered for high performance natural gas hydronic and water heating systems. As a professional grade spark ignition gas valve, this unit regulates fuel flow to the burner assembly with precision, ensuring stable combustion and reliable appliance startup. This part is the direct replacement for 100171884, making it the standard choice for maintaining the factory
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