Summary of Contents for Xylem McDonnell & Miller RB-24E
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INSTRUCTION MANUAL MM-228Q Model RB-24E Conductance Type Low Water Cut-Off For Residential 24 VAC Hot Water Boilers...
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For all Applications: 1/4" (6mm) 1. Make sure probe is installed above minimum safe water line as determined by the boiler manufacturer. 2. Make sure that ends and sides of the probe are at least 1/4" (6.4mm) from all internal metal surfaces.