multifuel stove heating system

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bjames1955

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Although I am a qualified HETAS solid fuel engineer I do not have any experience in fitting radiators running off a backboiler. I live aboard a 53ft Harbour service launch and have a 6kW morso squirrel multifuel stove with a backboiler which I think is rated at about 3kW. I would like to run 2 small radiators off it, one up f'ard about 3m away and one aft in the main cabin again about 3m away. What is the best way to do this? Do I need a pump? an expansion tank or header tank? Can I just fit the radiators, each one higher than the boiler? Help please!
 
I would seek guidance from the manufacturer.

You should also consider installing small computer fans at each heating element to distriute the heat better. (seen this done from car heating elements)
 
Somewhere I have a book on fitting out narrowboats that has a chapter on solid fuel heating systems, I will look it out and PM for your address if you would like to borrow it.
Stan
 
I'm old enough to remember central heating run from back boilers but I'm not a heating engineer. yes you need some sort of header tank to keep the system topped up and to allow for expansion. yes you can in principle run the system on a thermosyphon rather than having a pump. but do you have enough headroom to make this work?

but no doubt there will be rules / good practises etc about the design so maybe you had better get your hand in your pocket and pay a professional to come and do it for you. IKBA
 
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