- Anyone have a pressurised hot water tank?
We have a megaflow, is that what you mean ?
Slightly warmish (mostly due to the surrounding pipework I think)
It’s good for water – occasional “recharging” the airlock or whatever but otherise you’d not notice it
(my wife & 2 daughters can empty it by each having showers, but that’s probably an unusual demand to place on one I reckon 🙄 )Posted 4 years agoallthegearMember
Got me thinking now…
So,I currently have a gravity fed tank but live in a flat so the little cold water tank is just on top of the hot water. Is it possible to replace the pair with one of these?
I suppose I would finally get hot water of the same pressure as cold water?? Excellent!!
RachelPosted 4 years agojambalayaSubscriber
I’ve had one for 10 years (I assume that’s what it is as it has a pressure gauge 😳 ) we also have a normal hot water tank in airing cupboard and with the pipe work it’s warm enough to keep towels, sheets etc warm and dry. As noted its not so good for drying damp stuff, we hand that elsewhere.Posted 4 years ago
Yes Rachel, it should be a relatively straight forward job to swap them. Unvented cylinders can be located anywhere, however they do need a drain pipe to the outside ideally. In theory it should never, ever be used, but it’s a safety feature in case the pressure or temperature gets too highPosted 4 years agoMr TrumpMember
I had a 250 ltr one fitted in the loft when building an extension, requires a 22mm mains water feed and a 22mm overflow to ground level ( so you don’t squirt hot water from above), its very well insulated so doesn’t give off any waste heat however I would think that if you leave the pipework in the airing cupboard uninsulated it should do the businessPosted 4 years ago
It’s normal, that’s just the pressure release valve doing its job. Without the air bubble, the water pressure can build up as it heats up. Too high and the valve should release. You should check the valve manually every few months, just give it a quarter turn and a bit a water will be released. If you don’t do this regularly, they can seize. Should be 2 on there, but some are combined into 1Posted 4 years ago
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