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I wall mounted a concealed cistern, boxed it in and connected it to a floor mounted pan and it hasn't exploded into a shitty fountain yet. Vertical soil pipe in this case which was a mega pain in terms of positioning but eventually just about found a combo that worked.
The cisterns have a spec explaining how much drop there needs to be to the pan etc. Double check all your measurements. I fucked up a bit but managed to get away with it so far. I have photos I can dig out if you like.Good to know. I'm really after reassurance that a 19mm sheet of ply is enough to hold a cistern with 6 litres of water in it in place. I should probably ask my father, given that he's an architect so should probably know about these things. He does however tend to have an alarmingly laid-back 'it'll be fine' attitude to most structural things. Benefits of being retired, I suppose.
I am not a plumber.
You and me both. But hey, how hard can it be?
Brommers-
I've seen cisterns mounted on the inside face of the boxing. Some of the modern ones are very compact and light empty. Outcomes are bad if overflows happen but a modern cistern should overflow into the toilet quite reliably which means most householders will notice.
The wall hung equipment is great, not really for the older houses but you can fit/remove a toilet so easily because it's been engineered to work. You would end up giving up around 50mm more than normal concealed to accommodate the frame standing in front of the soil pipe. If you want wall mounted it's the only way.
When you custom mount one you just need to have a method to push the feed to the pan into the connector at the back (i.e. try to design it so you can reach with your hand). Use a long flexi soil connector so you can check it's fixed it to the pan then push it back to the wall.
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The cistern will be fine to hang off the ply.
I’ve just boxed in some concealed cisterns and they were fixed to 18mm ply as you propose to do.
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how hard can it be?
Oh not hard, just potentially wet, smelly, slow and expensive.
I made the boxing removable using keku drop on fixings. Would recommend, although you need to measure up slightly more precisely than I did
Airhead
horsee1
rhowe
I wall mounted a concealed cistern, boxed it in and connected it to a floor mounted pan and it hasn't exploded into a shitty fountain yet. Vertical soil pipe in this case which was a mega pain in terms of positioning but eventually just about found a combo that worked.
The cisterns have a spec explaining how much drop there needs to be to the pan etc. Double check all your measurements. I fucked up a bit but managed to get away with it so far. I have photos I can dig out if you like.
I am not a plumber.