Answer
Feb 10, 2014 - 11:14 AM
The water heater switch on the Garnet 709-PH Seelevel II system controls the propane side only which is 12 volt. The sensors are designed for polypropylene tanks (found in all RV's) they will not work with metal tanks. There are systems that can monitor an additional grey water take in addition to the standard water, grey & black tanks.
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