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Author Topic: Wood stove back boiler without water  (Read 2741 times)
The Crofter
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« on: October 31, 2008, 07:48:21 PM »

Is it possible to run a wood stove boiler without water ?. Just looking at options for shifting warm air to other rooms in my mobile home. Also contemplating sealed heat exchanger around the flue pipe. Not too worried about cooling pipe too much as the total flue length will only be around 3m max. Presume someone will burst my bubble....
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Pat
dhaslam
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« Reply #1 on: October 31, 2008, 10:37:25 PM »

The main problem is that the connections would be too small.   Water is a very good conductor of heat but air isn't.   This would lead to problems with the boiler overheating and the mobile home not  being warm enough.    You would need a heat exchanger and larger diameter distribution pipes, also a simple heat recovery ventilation system would be be very advisable.   If you icombine the two by passing the incoming air through the heat exchanger then you would have a very useful system.     
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DHW 250 litre cylinder  60 X 47mm tubes
Heating  180,000 litre straw insulated seasonal store, 90X58mm tubes + 7 sqm flat collectors, 1 kW VAWT, 3 kW heatpump plus Walltherm gasifying stove
The Crofter
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« Reply #2 on: November 01, 2008, 06:31:49 PM »

Thanks for that. Heat exchanger it is then !.
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Pat
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