Moonshine Posted March 9, 2021 Share Posted March 9, 2021 Does anyone know if a buffer tank like below exists, but is meaty enough to have a 350 / 400 liter cylinder on top of it? it would really help my plant space layout if i could find one. Link to comment Share on other sites More sharing options...
Adam2 Posted March 9, 2021 Share Posted March 9, 2021 400L tank isn't that bad - can you just build a support for it over the buffer tank? A few steels bolted together would probably do it. Do you have enough height? Link to comment Share on other sites More sharing options...
Nickfromwales Posted March 10, 2021 Share Posted March 10, 2021 https://www.advanceappliances.co.uk/product/141-buffer-stores/ I would still get a local forge to make me a steel table to take the cylinder so the buffer could be removed independently of the UVC. The UVC has far more complex plumbing so wold be a PITA to have to disconnect that to service or replace the buffer. Also, that approach would always guarantee that you have DHW even if the buffer fails eg you can still use the UVC if the buffer is not there as the support. A wall mounted unit would not work? What volume of buffer do you need? A better understanding of the issues around your plant space constraints may help to generate some additional feedback / solutions Link to comment Share on other sites More sharing options...
Moonshine Posted March 10, 2021 Author Share Posted March 10, 2021 (edited) The initial design i have is for a 400 litre cylinder and 100 litre buffer tank 7 hours ago, Nickfromwales said: A better understanding of the issues around your plant space constraints may help to generate some additional feedback / solutions Good shout, i am trying to get it under the basement stairs as shown in the section below This is it from above Open to your thoughts on arrangements. Edited March 10, 2021 by Moonshine Link to comment Share on other sites More sharing options...
TonyT Posted March 10, 2021 Share Posted March 10, 2021 A unistrut frame? Link to comment Share on other sites More sharing options...
Nickfromwales Posted March 10, 2021 Share Posted March 10, 2021 19 minutes ago, TonyT said: A unistrut frame? For a near half ton dead weight I would only use welded steel framework. Link to comment Share on other sites More sharing options...
PeterW Posted March 10, 2021 Share Posted March 10, 2021 100 litre buffer mounted on a pair of gallows brackets on the wall will be fine. Resin bolt the frame to the concrete. Link to comment Share on other sites More sharing options...
Moonshine Posted March 10, 2021 Author Share Posted March 10, 2021 These are the indicative HWC and buffer tank dimensions Below is how they sit in that space A couple of concerns. - Will 50mm liquid screed bear the load of 500 kg dead load - There is a requirement of 575mm of clearance required to the right of the HWC, where as i can only give 410mm - The HWC is partially obscured by the stairs and will be build into a under stair cupboard, access to the inlet and return may be difficult. Link to comment Share on other sites More sharing options...
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