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Shower Sump holding tank/pump location

Discussion of AC's, plumbing and sanitation related issues.
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Tbenedik08/36SS/VPD6
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Shower Sump holding tank/pump location

Postby Tbenedik08/36SS/VPD6 » July 27th, 2015, 9:21 pm

Shower sump pump stuck continuously running in my 2008 36/Super Sport. I want to check/clean the float switch, however the location of sound brings be directly under the Fwd stateroom bed which has the A/C unit in a molded fiberglass box Drain lines from the shower and Head sink run to this location. Problem is, the A/C & Bow-Thruster control unit are in the molded box, I see no easy way to access where the pump sound is coming from. There are even two smaller access holes under the bed support to left & right (of the larger A/C box) however, I see no sump holding tank only grey water & power lines. I am sure it is directly under the Bed & A/C box, but I can't get to it? Any guidance would be appreciated! :help:

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Re: Shower Sump holding tank/pump location

Postby boatdave » August 13th, 2015, 3:32 pm

On my 2005 it is in the guest stateroom under the port side bed. Lift the mattress and remove the access panel and it should be there. Hopefully yours is mounted better than mine. They have it 1/4 under a stringer and it is interesting to get to but you can.......
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Tbenedik08/36SS/VPD6
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Re: Shower Sump holding tank/pump location

Postby Tbenedik08/36SS/VPD6 » August 13th, 2015, 9:11 pm

Thanks, i'll give that a look, although the sound does lead me to under the master state rm bed.

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Re: Shower Sump holding tank/pump location

Postby Viper » August 13th, 2015, 9:48 pm

Are there drawers on the front of the bed?
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Tbenedik08/36SS/VPD6
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Re: Shower Sump holding tank/pump location

Postby Tbenedik08/36SS/VPD6 » August 14th, 2015, 9:59 pm

There are cabinet doors @ the base of the master Berth with small pocket shelves. I have not looked to see if they can be removed to gain access, but that may just be the trick. Thanks!

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Re: Shower Sump holding tank/pump location

Postby Viper » August 16th, 2015, 9:38 pm

Usually if they are meant to gain access to something, there will be screws on either side inside the cabinet be it drawers or shelves. Once the screws are removed, the entire cabinet should slide out.
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Re: Shower Sump holding tank/pump location

Postby Tbenedik08/36SS/VPD6 » August 17th, 2015, 9:59 pm

Thanks all, mystery solved! The cabinets at the base of the bed was not the ticket as they were just a couple of shallow wooden shelves inset into molded fiberglass with no access..., however, as I was poking about, I heard a hollow sound under the rug covered floor immediately in front of the cabinet. Pulling back the rug revealed a removable access panel in the floor and wall-ah a direct (albeit difficult) access to the bow thruster motor clearly on the through-hull channel, and the nasty, never been cleaned shower sump box. A thorough cleaning later, the float switch now works fine. Thanks again
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Re: Shower Sump holding tank/pump location

Postby geor0040 » July 9th, 2020, 10:54 pm

I was having the same issue with my 2012 43 SS. The owners manual that came with my boat was for a 2008 model. I was not able to find anything online more recent than that. The diagrams in that owners manual indicated the sump box was under the floor in front of the V birth bed.

Knocking on the floor I could hear a hollow spot. The problem was the carpet was glued over top of this area. I bit the bullet and cut a flap in the carpet. This revealed the panel which I unscrewed. Much to my frustration there was a compartment underneath that contained absolutely nothing!

Still determined I continued my search. In the second bedroom which is starboard side on the 2012 I noticed the top step had some screws. Removing this revealed the nasty sump box.

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