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That looks like a good kit - when I google it it comes up with aquaseal? I'm guessing that's the Same. My main reason for looking at it my way is that the plasterboard doesn't quite come down to the floor and there's an expansion gap between the floorboards and wall, hence a largish (10mm?) gap...

Im building this shower cubicle in my new extension, walls are studwork, 12.5mm plasterboard and skimmed. The new stud partition visible will have cement board attached. The shower tray will be on risers so the waste can run above the floor. I'm looking at the mapai waterproofing kit from...

Thanks I appreciate there's a depth of feeling on here about such things but I can't understand the "cost and complexity" of a store vs mains pressure? I'm guessing the cost is similar if not slightly in favour of the heatbank (based on a self install of the store vs professional install of...

more questions! I've had a chance to have a good look around my new house and having decided to keep the oil boiler (installed in 2014) I'm now looking at changing the hot water (and maybe heating design). It's currently got an old uninsulated indirect cylinder (probably there since the house...

To be honest I havent really paid much attention to the price of gas at my old house. It was superinsulated timber frame with UFH and a thermal store. The energy usage wasn't that huge and I just paid a monthly direct debit for my gas which was never high enough to really pay much attention to...

yeah, cooking by electricity and I would change for gas - I'm guessing that is a simple cost comparison as gas and elec can both be costed in Kwh Oil boiler is a grant 21kw and was installed in 2014 - so pretty efficient I guess. I knew oil was cheap at the moment - but not that cheap! I'd...

ive just moved into a new house. 1970s constructed so not the best insulated in the world but decent loft insulation and double glazing. It has oil central heating with an old indirect cylinder and a newish 21kw boiler. Gas was installed in the road a few years back. I'm thinking of making...

Thinking out loud here but... The extension (if and when it gets built) in my new house will be my master suite and I want aircon in the bedroom after getting fed up with hot sleepless nights in summer (yes, even in england!). AFAIK essentially the bit of a split aircon system that's usually...

im planning on replacing the indirect hot water tank in the house I've just bought with a thermal store with plate heat exchanger (which is what I've got in the house we've just left) Are there any equations / resources to calculate the required size of the store and heat exchanger?

thanks that website looks good - and looks like they can probably put the plate heat exchanger on there for me too

Hi - I'm planning a DIY heat bank in the house we are moving to. I've got a DPS heat bank in the current property so I'm familiar with the concept. I've searched through lots of previous threads about this and theres a lot of good info about design, layout etc, but one thing seems to be missing...

Hi I'm replacing all my UFH manifolds and controls and it entails moving all the pumps and pipework around. I want to connect a central heating pump (1 1/2" bsp I believe) to a Mixer valve which has a 1" Bsp connector. I don't reall want to put on a pump valve to 22mm compression, to a bit...

the old boiler was set at 30kw. The heat loss to the underfloor system is negligable, but the high flow rates for hot water flow - eg a bath and a shower simultaneously will drain the store temp very quickly and every watt of that 30kw is needed to try and keep up. the heat exchanger for the hot...

That maybe the case, but if you balance the flow to get a decent temp drop through the coil then at least it will be alot better than it is now! Thats the reason i chose a direct store, because I cannot see how an indirect one will really work, as the store needs to be almost as hot as the...

pipework should be pretty clean. The whole deal was powerflushed,cleaned and flushed again when the boiler was installed. It was all pretty clean anyway. There is a thermostatic mixer in the feed from the store to the boiler which is supposed to keep the boiler in condensing mode when heating...

The pump is wired to the boiler - fixed on / off signal from the boiler - live / neutral / earth. Its all doing exactly what Its expected to do in terms of when the pump runs - pump overrun, etc all works fine.

Firstly I'm no heating expert, but I've been researching boilers, temps and flow rates over the last few days because of an issue with my new boiler on my thermal store. So i've accumulated alot of info on it in the last 48 hours! Looking at your graphs (how did you measure and log this by...

Hi - first post here. sorry its so long! Firstly my system - installed 10 years ago when we bought a run-down cottage and renovated and extended - effectively a 'new-build' 4 bed semi - UFH upstairs and down (no rads at all) all running off of a DPS Heat-Bank direct thermal store. Hot water...