Shower Waste Pump

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We are converting a room into an en-suite (Shower / toilet / sink). The shower waste run is about 4m via holes in 5 joists if gravity run. Rather rather than drill trough the joists I am considering a shower waste pump that would allow me to pump the waste into the soil pipe that sits above the joists. The pump would sit in a void with easy maintenance access.

Is this a time tested solution?
Should I worry about noise?
Any vendor recommendations?

Any other feedback on this greatly appreciated.

Cheers!
 
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We are converting a room into an en-suite (Shower / toilet / sink). The shower waste run is about 4m via holes in 5 joists if gravity run. Rather rather than drill trough the joists I am considering a shower waste pump that would allow me to pump the waste into the soil pipe that sits above the joists. The pump would sit in a void with easy maintenance access.

Is this a time tested solution?
Should I worry about noise?
Any vendor recommendations?

Any other feedback on this greatly appreciated.

Cheers!
Where are running the toilet waste to and how?
 
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Depending on where the waste run is, then they can be sealed within a sump box and then further boxed in and insulated.

Came across one like that, it was supplied as one unit and then boxed into the bottom of a towel cupboard and then surrounded in acoustic foam. It didn't remove the noise completely but it did markedly reduce it.

th
 
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Depending on where the waste run is, then they can be sealed within a sump box and then further boxed in and insulated.

Came across one like that, it was supplied as one unit and then boxed into the bottom of a towel cupboard and then surrounded in acoustic foam. It didn't remove the noise completely but it did markedly reduce it.

th
Thought they needed a degree of air cooling tbh as I didn`t think the motor was oil cooled on them so wonder how long it lasted. Think I would run the idea past technical at the manufactures first.
 
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Not the submerged variants like that I don't believe. They are water cooled by channeling the grey water past the motor, they are also relatively quiet in operation to start with. I believe they have been derived and modified from their use on boats.

No where near as noisy as the gulp variants.

The install where I saw it had been in place for 3 odd years and they hadn't had an issue, the waste run had just become clogged up with hair
 
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My error Rob, with the picture being so small I didn`t realise that was a pump in a water tank like the DAB Novabox as one example. Yes much quiter than a gulper.
 
B

Bodd

If the pump packs up you have no shower.

Are you cutting the soil pipe to add another boss?

What is the room below?
 
B

Bodd

What I have done in the past is run the waste pipe at ceiling level into a boss that has either been drilled or cut into the stack

Ok it means a boxing at high level. But thats better than:
Drilling joists or using the pump.

Means the shower tray can fit flush on the floor
 

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