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Old 22-02-2021, 23:12   #1
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Shower pump out?

I’d like to set up a shower in my head but the sole of the cabin is below the water line. That means I’d have to use a pump to pump the gray water over the side.

Considering that I have constant problems with my home bathtub and drain, what issues with soap scum and hair do you have to deal with in such an installation?

What are the best options or configurations for trouble free operation?
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Old 22-02-2021, 23:18   #2
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Re: Shower pump out?

I have had these on both my heads since I bought the boat. I coinireplaced not a couple of months ago with these. But the earlier ones worked flawlessly for years and they’re easy to install and cheap as chips.
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Old 22-02-2021, 23:21   #3
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Re: Shower pump out?

we have a common sump located underneath both bathrooms. in the sump are a small bilge pump and a float switch

showers drain into sump. float valve actives pump & sump empties. no problems

i haven't needed to clean it out in last 4 years (maybe we're just not that hairy ?? )

i suppose you could alwasy pour some sort of cleaner down it if you were worried ?

cheers,
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Old 22-02-2021, 23:30   #4
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Re: Shower pump out?

Quote:
Originally Posted by CassidyNZ View Post
I have had these on both my heads since I bought the boat. I coinireplaced not a couple of months ago with these. But the earlier ones worked flawlessly for years and they’re easy to install and cheap as chips.
What type and brand is the one pictured?
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Old 22-02-2021, 23:33   #5
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Re: Shower pump out?

My head has a fiberglass floor and there is a tiny hole in one corner that currently drains directly into the bilge
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Old 22-02-2021, 23:39   #6
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Re: Shower pump out?

We had the smelly box solution for years. Then we installed this.
https://www.whalepumps.com/marine/pr...lyID=Gulley-IC
Truly a revelation.
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Old 23-02-2021, 02:52   #7
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Re: Shower pump out?

The sumps are a bad way to go. Smelly, float switches constantly failing.

It’s better to use an inline screen after the shower drain to filter the hair and a diaphragm pump to push the gray water overboard. Just press a momentary switch in the shower to turn the pump on at the end of your shower or maybe a couple times during the shower.
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Old 23-02-2021, 04:52   #8
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Re: Shower pump out?

a diaphragm shower pump system is sooooooo much better than one of those boxes with a pump in it things
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Old 23-02-2021, 09:01   #9
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Re: Shower pump out?

Quote:
Originally Posted by Bigjim View Post
What type and brand is the one pictured?
Not sure if the same brand will be available where you are but this an online listed from our local chandler. Suggest you search online offers from a chandler in your area.

https://www.burnsco.co.nz/shop/boati...er-sump-600gph
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Old 23-02-2021, 09:04   #10
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Re: Shower pump out?

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Originally Posted by sailorboy1 View Post
a diaphragm shower pump system is sooooooo much better than one of those boxes with a pump in it things

Agreed. That's how my boat is set up and it's nice and easy. Turn pump on before starting shower, turn it off when done. No sumps to clean, etc. Just a little more noise from the pump sucking water down the drain.
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Old 23-02-2021, 09:11   #11
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Re: Shower pump out?

Quote:
Originally Posted by Chotu View Post
The sumps are a bad way to go. Smelly, float switches constantly failing.

It’s better to use an inline screen after the shower drain to filter the hair and a diaphragm pump to push the gray water overboard. Just press a momentary switch in the shower to turn the pump on at the end of your shower or maybe a couple times during the shower.
With respect, that’s totally untrue. Sump pumps in my boat after several years of use were not in any way smelly, were almost inaudible while running and cleared the water and everything in it from the shower without any problems or intervention from the user.

By contrast, friends have one of those awful reciprocating pumps that are as noisy as all hell, to the degree that I can hear their shower pumps running from my boat when they’re anchored alongside.

Please help me understand what happens to the hair caught in the screen that is located “after the shower drain” which presumably is not in the shower.
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Old 23-02-2021, 09:13   #12
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Re: Shower pump out?

If you use a diaphragm pump, use a Whale Gulper. They'll pass hair just fine, so you can skip the screen / strainer.
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