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Check your service manual for reference part number 28G38 or 66255112555 to ensure a direct fit
Durable Bimetal Construction: Built to withstand high-cycle environments in residential and light commercial furnaces
If your resistance-to-temperature readings are out of spec according to the nominal resistance table
The interface utilizes 96 captive trippers allowing for precise 15-minute interval scheduling throughout the day
McDonnell & Miller 67-LQHU Low Water Cut Off 30067439-890 Check your service manual forThe McDonnell & Miller 67 LQHU (Part Number 149500) is a field proven mechanical low water cut off engineered specifically for residential and commercial steam boiler applications. Operating as a float type safety control, this unit is designed to interrupt the electrical circuit to the burner if water levels drop below the safe operating line, preventing catastrophic dry fire conditions. The 67 LQHU model is identical to the 149500 and features a 3
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