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The MCDONNELL & MILLER 144726 RB-24SE-L is a low water cut-off device designed for residential use. It includes a burner control harness for easy installation. This device helps protect the heating system by stopping the burner when water levels are low. It weighs two pounds and has dimensions of nine inches by five inches by five inches.
This low water cut-off is essential for maintaining safe boiler operation.
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