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Plumbing Design Dilemma Bathrooms

Wall-hung toilet in a brick wall

4 years ago

I know everyone has been talking about wall-hung toilet being space-saving and easy to clean. But since I have a brick wall, I guess it won't be space-saving anymore? I don't find cleaning the regular floor-mounted toilet too troublesome, but since I'd like to slope the whole bathroom floor to the drain, I have to choose between creating ugly platform for the floor toilet or installing a wall-hung toilet.

What should I know before choosing wall-hung toilet over the floor type? I really want one that is more problem-free. Will wall-hung toilet get wobbly after years of use? If the nuts and bolts need to be tightened periodically, is it easy to do myself, without removing the toilet? Are they safe for wheelchair users? (I'm concerned about the safety during transfer and whether the transfer will be more difficult because hidden cistern means a lack of space behind the bowl).

Are they more prone to leaking? And do I need to create a large access panel to anticipate future repair of parts behind the wall? I'd love to hear what expert plumbers here have to say.

Featured Answer

geoffrey_b

4 years ago

The problem is that the tank is located behind the wall. There is a steel frame (behind the wall) that supports the toilet weight.

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Comments (10)

kudzu9
4 years ago
How thick is this brick wall, and what is on the other side of it?
stellevaganti
Original Author
4 years ago
It’s 15-cm thick and the other side is a narrow garden
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I have a toto wall hung toilet that is not installed yet. I have Toto Carlyles with one s300 and it is a great washlet. I plan to get a s350 to go with the wall hung. I have seen the duravit wall hung with the Duravit washlet at a local plumbing supply store. It is an expensive combination. I have not seen any reviews of the Duravit washlet so it is hard to judge the performance. The Inax looks a little bulkier on the toilet and not a lot of reviews on it throughout the web. One GW member has the. Inax and raves about it. Although Toto makes its own wall carrier, it is compatible with the Gerberit in wall unit. I think Grohe used to have an in wall unit also. The flush actuators are only compatible with the manufacturers in wall units. One of the flush actuators from Toto was almost $400. I passed on that actuator. Good luck!
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Different manufacturers have their own designs of carrier plates. In particular, locations for bolt holes vary. I think it would be quite unlikely that you could match one manufacturer’s wall hung toilet to another manufacturer’s carrier plate...for many reasons. And if you later had problems, good luck with any warranty.
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Could you post a picture of the acuator that you dislike and maybe I can figure why the piush flush for a toilet creates this much problem.
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A plumber noted that the water tank on an in-wall toilet is plastic which probably won't hold up as well over the decades as the regular porcelain tanks. So, replacing the in-wall tank sometime in the future without destroying your slab should be a consideration that the tileable access panels will accommodate. And you can avoid an in-wall tank with a Sloan valve if you have municipal water.
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wdccruise
4 years ago
I wouldn't call it beautiful, but American Standard does make a wall-mounted toilet with a standard tank: Glenwall VorMax Elongated Toilet.

Also PROFLO PF1710HEWH/PF1705HEWH Wall Mounted Toilet
stellevaganti thanked wdccruise
PRO
HALLETT & Co.
4 years ago
Wall mount toilets cost more to purchase and to install. Assuming this is part of a major renovation, just frame a 2x6 stud wall in front of the masonry wall, the frame/ tank gets mounted in this space.

Properly installed they are very little maintenance. Find a plumber that is familiar with them. I would ask at your local plumbing supply who has actually purchased and installed them.

Toto makes a nice one...
stellevaganti thanked HALLETT & Co.
iamtiramisu
4 years ago
Gerber makes a wall mount that has the tank outside the wall as well, the model name is Maxwell.

https://www.plumbersstock.com/gerber-20-021-maxwell.html
stellevaganti thanked iamtiramisu
btydrvn
4 years ago
Don’t know how many expert plumbers are giving free advice on Houzz....but under such special circumstances ....I would look for a good local plumber to answer these questions...throw in the most likely.....at least double or triple costs...or?......it may worth re- thinking the floor slope ....or the brick wall
stellevaganti thanked btydrvn
kudzu9
4 years ago
See my second comment in your other post on this subject.
stellevaganti thanked kudzu9
stellevaganti
Original Author
4 years ago
last modified: 4 years ago
Thanks kudzu9. This post just can’t be deleted. i tried 4 times and it came back every time. Let me try delete the other one and reply to your second comment here.
stellevaganti
Original Author
4 years ago
I was thinking about making 2 layers of brick wall (my contractor says each will be 15cm) to hide the tank and pipes. So definitely it will be the opposite of space-saving. But it does help when I insist on sloping the whole bathroom floor. The reason I want to slope the whole bathroom floor is because I never feel that wiping the toilet with disinfectant is enough. I want to be able to wash it and the floor around it completely because, you know, boys urinate there too. I’m just wondering if there are more maintenance consequences with this type of toilet, whether the gasket will wear faster or whether it will leak more. Also, since the tank and pipes will be sandwiched between two brick walls, do I need to create a large panel just in case they need repairs one day? Or is the flush panel enough?

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