Another stove question!

welda

Evening ladies and gents,

First post, so please bear with me please. I am looking in to installing a multi fuel stove in my dining room, also with an open door, wafting heat in to my kitchen. The chimney that will be used is breached, so a liner will be required, priced locally today at £195 for a double skin 316 grade s/s. Also when I first purchased this place, all chimney openings blocked off. When I opened up dining room chimney, lo and behold was a copper back boiler (sold for scrap many years ago) Now to my thinking here, house is too large to have a huge stove suffice to heat water and rads, plus location from proposed stove installation is too far from outside boiler house (was oil fired, now NG fired) Going back years ago I obviously blanked off copper pipe running to back boiler, also I have changed the original HWC to an new insulated HWC.

Now if I do this installation, can I simply rely on gravity feed regarding back boiler, I assume it worked before? Distance from stove to tank is very little, 1 metre approx horizontal, rising to 2.8 metres approx to new-ish HWC. I just feel it is the way to go if a fairly simple task, no point in just heating a room if there is an other option to heat water also!

Last question, I assume if water gets too hot, expansion pipe will deal with any excess hot water?

Great reading here and, looking forward to reading your expert replies!

kind regards,

Welda.

Igol

I think I just answered your question in the 'great home heating hunt thread'.
I take it you mean an indirect HWC?
Mines open vented and althought I've heard the water boiling in the pipes I've yet to see scalding water shooting out of the overflow

welda

Igol wrote: »

I think I just answered your question in the 'great home heating hunt thread'.
I take it you mean an indirect HWC?
Mines open vented and althought I've heard the water boiling in the pipes I've yet to see scalding water shooting out of the overflow

Cheers for reply Igol, yep I have an indirect HWC, and I read your reply in other thread, lots of info there. I forgot to mention in this thread is, it is a new HWC circa year 2000, apart from coil heating water via gas boiler, I also have an electric immersion heater, back in case of boiler failure!

I was thinking if it is possible to tee in pipe from stove to one of the coils in tank? My plumber friend is on hols at the moment, I'll consult with him when he returns next week.

Thanks again.........

Welda

Igol

If your saying what I think you are, your on about linking the exisiting GCH with a new SFCH system?
Yep it can be done but its not as simple as teeing in a pipe, you've a huge temp and pressure difference between the two, ever heard the water boiling in your GCH pipes? First time it happend to me I was waiting for an explosion even thought its open vented and has safety valves.
http://www.dunsleyheat.co.uk/homenew.htm do a link up system, the complexity and cost put me off when I designed mine. Be interested to know how you get on.

welda

Thanks for info and link Igol, I may be getting too far ahead of myself here in what I think can be done. My plumber friend returns next week, he is well clued up, best to seek his advice. If too much hassle, I'll retreat and install burner with heat to room facility only, huge wood pile at back of house gagging to be burned up!

Welda.

agal

Welda, I have the sort of system you envisage. Its an open fire rather than a stove and OFCH rather than GFCH but it has worked OK for many years. You will of course need separate coils in your HW cylinder and as there is no direct connection between the two systems there should be no problem. It's when people want to heat radiators using more than one heating source that it starts to get complicated!