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Anyone willing to take a look at the schematic of my combined gas/solid fuel |HW/CH system? I'd be grateful for any tips.

Here's a better quality schematic: http://www.flickr.com/photos/44875755@N02/11209804173/ Hope it helps.

I installed a solar thermal panel from www.solarproject.co.uk 2 years ago. Whole thing cost about £800 to install and integrate into my existing cylinder. I'm self sufficient for hot water for about 6 months of the year. I'm contemplating whether to install a back boiler into my wood...

I'd be grateful if anyone could comment on a schematic diagram I've drawn up of my existing 'Gas Gravity fed / pumped CH boiler' (on left of diagram) combined with a future solid fuel back boiler (on Right of diagram). //www.diynot.com/network/carryoncamping/albums/18674/69910...

Schematic diagram of existing Gas boiler Gravity fed HW and Pumped CH and combination of Solid fuel back boiler

Is there a rule of thumb for size of Thermal store relative to boiler output? e.g. If my Wood burning stove's back boiler had a quoted output of 5KW what would be an appropriate size of thermal store?

Thanks! :D

Do any Regs stipulate the use of Gate valves over Ball valves? I'd rather use ball valves in my solar thermal project, as gate valves tend to cease up (at least that's what I've found) after a few years. Thanks

Please could you recommend a "Decent" Evacuated Tube Solar Panel? It's hard to tell what's good quality or just overpriced tat! :lol:

You are correct, PV panels will payback much quicker than solar thermal (installed by a pro), but that's only because of FIT, and who pays for FIT? If I understand correctly, "it's the suppliers who pass on the cost of the Feed-In Tariffs scheme to all their electricity customers. ... so the...

It's probably long past the moment you needed an answer, but for the benefit of anyone searching in the future here's a reply. Try this formula: Energy= Mass x Temperature rise x Specific Heat Capacity of Water - Mass is volume of thermal store in litres eg. 200 litres - Temperature...

Thanks for the reply. The gradient is approx. 1:35, blocks are std 100x200x50mm.

Hi, I'm about to start drawing plans for a block paved drive before laying it. I have a question regarding rain water runoff and drainage. The road is approximately 150mm higher than the dpc of the house, so there will be a natural fall towards the house and consequently I need a way to...

Just found this: http://www.randandasquith.co.uk/index.htm I'll give them a ring on Monday.

Does anyone know where I might buy a limestone hearth. I'm thinking a quarry might cut to size, but as of yet not been able to find one. I'm in the Yorkshire area. This is an artist's impression of how my new fireplace will look, minus the hearth. (Oak 'lintel' is real but just cut & paste...

Thanks for the replies. Just one last question, should I PVA the walls which used to have 70 year old plaster on them prior to dot & dabbing ? If so, what ratio Water:PVA, do I let it dry or just tacky? Carryon

Thanks for your reply, Nosall. My new fireplace now has corner facebricks which are 1.5" proud of the wall. I plan to plasterboard in and out of the bricks (see photos) Ignore the wood, this was to prop up the concrete lintel whilst I rebuilt the corner bricks. A picture with...

I'm about to start Dot & dabbing my living room, do you need fireline (pink) plasterboard for a chimney breast, or is std 12.5mm fine? I plan to have a log burner in the fireplace but I doubt the plastrered walls would get that warm. Thanks