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    Seasoned Camper Chewwi's Avatar
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    Jun 2020
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    What’s the Purpose of the Low Point Drains?

    Quote Originally Posted by Wicked ace View Post
    It is good practice to do so. That relieves the pressure on the marshaling valves on the panel when switching. It has been reported that the small O rings on the three-way valves have come dislodged when switching under pressure.
    If you have a spray hose at the panel you could just open the cold water valve to blow off through the hose.
    Thanks. Never even thought of that!

    But never needed to switch under pressure either. There is a spray hose connection right next to the switching valve on our RV.

    It also sounds like another deficient design issue. Valves meant to switch sources shouldn’t require removing pressure prior to switching.

    Sent from my iPad using Tapatalk
    Last edited by Chewwi; 11-19-2020 at 08:26 PM.

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