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?
 
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
 
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.
 
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
 
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.
 
If the pump packs up you have no shower.

Are you cutting the soil pipe to add another boss?

What is the room below?
 
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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