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Old 09-25-2018, 10:27 AM   #12
elliott-maine
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Join Date: Jan 2016
Location: Maine
Posts: 55
There is a backflow preventor in the pressure side of your pump that stops the city water from going back through pump into your tank. This will sometimes stick and allow the city water to fill your tank. Increasing the pressure in the system could cause this to stick or fail. The pump draws water from your tank, and the city water is essentially a separate system util after the pump. If you T into the line before the pump, you need to have a shut off valve on the line from the tank or it will fill constantly. You can accomplish your goal either by doing that, or adding a separate pump for the city water line from your spring.


PEX will take more pressure than you will ever use. However, the fittings used on an RV are not the best, and some are made of plastic. This is your weak link. To get a better shower, replace your shower head with an Oxygenics or similar shower head. By inducing air into the shower hose, you get an apparent increased pressure and flow while using no more water. RVs shoud be delivered with one of these.


If you need a sketch of what you can do, let me know.
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Elliott, Vicky, and Sadie, our GSD
2014 Redwood36RE Titan Disc brakes, 17.5 " Sailun Tires
2013 RAM dually, CTD, Aisin Tranny, CC, LB 4x4
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