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Old 11-06-2020, 12:41 PM   #1
Senior Member
Join Date: Jun 2013
Posts: 878
water pump switch

was on vacation for almost two weeks, some hook ups, some boondocking. About 1/3 of the way through the water pump quit working. Of course it's behind a panel in the middle of the pass through storage so had to remove all stuff in storage bay to access, remove about 6 screws (thank god I brought a cordless and 1/4 bit set) then lay in the storage bay to get to the pump. Power good to pump switch but no power out of switch. Fiddle with switch and pump came on. Evidence of previous water leak (no signs of it previously) where the water rand down and into the switch. Pulled everything apart and traced it to corroded microswitch. Since we were in unfamiliar territory with no plumbing parts went to Camping World and bought exact replacement pump assembly, installed and all good, one the DW got over rinsing her hair with cold water from a bucket since it quit on her mid-shower!

Now here's my question. Why would the factory not install this pump horizontally on the floor behind that panel, instead they had to add a small backer panel to attache the pump to the bulkhead (wall). Proper installation of any device with water in it (pump, etc.) is to place the motor above the pump to avoid getting water into the pump should it leak, but if it's horizontally mounted a leak anywhere would not damage the motor or switch. Plus the floor is much more substantial than a Luan panel with plywood backer. All my other RV's have had the pump screwed directly to the floor.

I'm going to modify it to put the pump on the floor and add flexible tubing between pump discharge and existing point of connection, this will quiet it down a LOT!
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Old 11-07-2020, 10:50 PM   #2
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Join Date: Feb 2018
Location: TEXAS
Posts: 3,337
Ahhhhhh.... the frequent question..... Why did they install it that way? Probably easier to install that way or the engineer drew it that way.
Sounds like you've found a good solution.
2015 Dynamax REV 24TB class C
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Old 11-08-2020, 05:36 PM   #3
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Join Date: Jun 2013
Posts: 878
Fender washers

I'm also going to use some fender washers under the screws, this allows you to adjust the compression of the rubber feet, they need to be secure but not tight. The factory just buzzes them in and bottom out the screws, defeating their purpose.

just need to pick up some parts and get the ambition to empty the pass through too. I'm also going to modify the cover over that area so pump doesn't require removing a 4' panel
nayther is offline   Reply With Quote

pump, switch, water, water pump

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