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Old 04-22-2018, 09:05 AM   #1
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Join Date: Apr 2015
Location: South Jersey
Posts: 23
Bypass valve

Does anyone know exactly what the 1/4 turn valve on the white hose is for. Iíve been told itís for winterization and bypasses the heater, even though there is a heater bypass valve (red handle). Iíve been told to keep it open and closed when using the system, by different people at the dealership. It appears that the water pump (off the fresh water tank) only works when it is in the open position. Should that also be the position when using the city water hookup? Is it only closed when draining the hot water tank for winterizing? There is no documentation on this, that I could find. See attached photo.
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Harry Miller
Southern, NJ
2015 38' Lacrosse 330RST Travel Trailer
2016 Chevrolet Silverado HD3500 LTZ; Diesel; Z71
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bypass, valve

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