The potable water that comes into our coach goes through a sediment filter and then to a 5-Way Ball Valve. Newmar only used three of the outputs. In this previous post Cool, Clear Water I talked about how I replaced that valve with one that has all outputs active so I could add a Reverse Osmosis system to our coach while still having the functionality that Newmar intended.
We have noticed some issues with our fresh water system and troubleshooting brought me to the point of replacing the now three-year-old valve.
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| Old vs bright an shiny |
After replacing it, I decided to deconstruct it to see what the issue was. Boy was it difficult to unscrew the end pieces from the body!!!! I didn't notice any thread locker on the threads so they must be negative clearance.
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| KABOOM, all disassembled |
I determined that the ball had corroded. When I rotated it through its positions, the corrosion cut at least two of the white plastic (I assume Teflon) seats. Regrettably the valve manufacturer does not sell rebuild kits siting tight tolerances.
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