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Macerator advice for newbie

Discuss Macerator advice for newbie in the Plumbing Jobs | The Job-board area at PlumbersForums.net

Rob Foster said:
................................................................ Especially when your macerator jams up when the blades go blunt or the lecky goes off. Rob Foster aka centralheatking
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Blunt blades Haha. Think about it, what inside a domestic macerator could cause Stainless steel to blunt?
 
rpm said:
Blunt blades Haha. Think about it, what inside a domestic macerator could cause Stainless steel to blunt?
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Even stainless steel knives used in kitchens need to be re faced
some sanitary products can be quite wearing and some things have plastic in them. let alone the things that go into bogs that should not. I agree in an ideal world these products are ok but
...our experience of fixing them in rentals is not a happy experience. Rob Foster aka centralheatking
 
Rpm is it the case that a domestic property HAS to have at least one toilet that is not a macerator?
I seem to remember reading this somewhere, if it isn’t a rule it certainly should be!
 
Rob Foster said:
Even stainless steel knives used in kitchens need to be re faced
some sanitary products can be quite wearing and some things have plastic in them. let alone the things that go into bogs that should not. I agree in an ideal world these products are ok but
...our experience of fixing them in rentals is not a happy experience. Rob Foster aka centralheatking
Click to expand...

None of which you talk of should be flushed away macerator or not.
 
rpm said:
None of which you talk of should be flushed away macerator or not.
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The reality is people do put the wrong stuff down a bog and expect it to work like a normal one, and often its up to the householder, their engineer, etc to
get the thing back working after its jammed ..I agree with you about the wrong stuff.

Reality and theory are different..we have a lady we put a saniflo in for under her stairs years ago, as she only uses it there has never been a problem
but ...these units are problematic in my opinion
Rob Foster aka centralheatking
 
That’s good.

I think you just need a fitter with more experience/ ability to think outside the box to suss this out for you.

Really, don’t go with a macerator.

Where are you located?
 
Ben-gee said:
That’s good.

I think you just need a fitter with more experience/ ability to think outside the box to suss this out for you.

Really, don’t go with a macerator.

Where are you located?
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Thanks, I’m starting to understand that there are better options to having a macerator. I’m in South Wales.
 
Lucy387 said:
Thanks, I’m starting to understand that there are better options to having a macerator. I’m in South Wales.
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Yes Lucy ..a gravity system properly designed and installed will always beat a macerator, people do install them because they Really have no other option ..you do, re post with a diagram and we will help you get it right...Rob Foster aka centralheatking
 
Finally.... a

C6B1A9F7-1486-4B0F-9919-6EA495EC2A53.jpeg
 
Thanks everyone for your help and advice. I am really grateful. I have posted a diagram of my ideal set up for my bathroom including dimensions and some details.
I have already purchased the suite so I would really like to make this layout work if at all possible.

Is it possible for the internal soil pipe to run as diagrammed in my picture (blue line)? It would be almost a 3m pipe with 3 bends. Is this possible to do without the risk of blockages?
Also, is there a standard ratio of fall that I would need to have? How would I work out how much to raise the toilet or lower the waste outlet?

Many, many thanks!

CF2F31E3-E33A-44C5-A064-AA0C8F3395C1.jpeg
 
Riley said:
Are you doing this install ?
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No, I know little to nothing about plumbing. But I want to get as much advice and information as I can because I don’t like being clueless about these things. The best quote I received for doing the job was from the person who advised the macerator. Feel like I am going round in circles
 
Is your house brick, or painted?
On the pavement or set-back?

So many things to consider, without being there it is a bit hard to advise properly.

If painted, paint all the pipework and it will not be too noticeable?
 
In answer to your question, the fall on soil pipe should be 18mm per metre .

(ok ok it can be more, upto 80/90mm - but for these purposes use 18mm/m)
 
Ben-gee said:
Is your house brick, or painted?
On the pavement or set-back?

So many things to consider, without being there it is a bit hard to advise properly.

If painted, paint all the pipework and it will not be too noticeable?
Click to expand...
It is rendered and set back from the road. However, I want to avoid having a pipe running across the front if at all possible.

I would rather have a macerator inside than have a soil pipe running straight across the front of the house.
 
Any reason why it can't be run this way? Where the pipe exits the wall under the bath, run it as low to the floor as possible then it will have a good fall from the toilet. 1 external 90° bend towards the stack and then tee in. Or am I missing something.

Also the measurement for your bath is 1150 but the opening is 1050. Are you sure the bath will fit.

20190609_164444.jpg
 
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