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Old 05-17-2018, 10:53 PM   #4
wingnut60
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Join Date: Sep 2005
Location: Where we park it
Posts: 2,838
Certainly, it isn't easy getting to these valves/connections on any RV--
Sounds like you have a handle on how to fix it, sorry I didn't understand the question.
Most RVs have a valve on the cold water line that does not shut off flow, but is there to direct full flow to the water heater in one position and by turning the handle part way in the other direction, part of the cold water flow is diverted into the hot water line coming out of the WH in order to lower the temp of the water if too hot--a 'mixing valve' may be more descriptive, but it should actually be a '3-way' in that flow comes in and can be sent out in one of 2 directions--direct into the WH or part of the cold flow across to the WH OUT side to mix with the hot water and reduce the temp.
Hope I am not over-working this, but hard to make a picture with words....
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