AKULA Posted May 11, 2017 Report Share Posted May 11, 2017 Greetings all can I add a morso stove boiler in to my alde gas central heating combining the 2. Thanks in advance all Link to comment Share on other sites More sharing options...
Dave_P Posted May 11, 2017 Report Share Posted May 11, 2017 I've wondered this too, as I have a squirrel and an alde. My concern would be this: The alde on my boat is completely pump driven, there's no heat coming through when the boiler is running but the pump is off, so no gravity effect. If I linked a back boiler, and there was still no gravity effect to this I'd have two issues: 1. I'd need to have the pump running the whole time the fire was lit which might have implications for my batteries. 2. If the pump failed the back boiler could overheat and explode. I've put the idea on the back-burner for a while Link to comment Share on other sites More sharing options...
Dave Payne Posted May 11, 2017 Report Share Posted May 11, 2017 Two isolation valves, one at boiler and one at stove? Link to comment Share on other sites More sharing options...
MtB Posted May 11, 2017 Report Share Posted May 11, 2017 On 11/05/2017 at 15:39, Dave Payne said: Two isolation valves, one at boiler and one at stove? How would that stop the stove overheating and boiling if the pump failed? Link to comment Share on other sites More sharing options...
Dave Payne Posted May 11, 2017 Report Share Posted May 11, 2017 ahhh yes, misread, they want to use the pump in the alde to run both, would that work though as normally the alde and stove are some way apart and the pump in the alde is tiny. I would just fit the valves and a pump to run the back boiler, less faff? Link to comment Share on other sites More sharing options...
MtB Posted May 11, 2017 Report Share Posted May 11, 2017 On 11/05/2017 at 16:11, Dave Payne said: ahhh yes, misread, they want to use the pump in the alde to run both, would that work though as normally the alde and stove are some way apart and the pump in the alde is tiny. I would just fit the valves and a pump to run the back boiler, less faff? Thus speaks a man on a shoreline!! Link to comment Share on other sites More sharing options...
Dave Payne Posted May 11, 2017 Report Share Posted May 11, 2017 Just now, Mike the Boilerman said: Thus speaks a man on a shoreline!! Who's on a shoreline? Link to comment Share on other sites More sharing options...
MtB Posted May 11, 2017 Report Share Posted May 11, 2017 On 11/05/2017 at 16:22, Dave Payne said: Who's on a shoreline? Anyone who thinks running a central heating pump 24/7 will be free of problems! Link to comment Share on other sites More sharing options...
Tony Brooks Posted May 11, 2017 Report Share Posted May 11, 2017 Some of the 12V solar pumps seem to have a current draw comparable with the Alde pump. You could always fit a pipe stat to fire the pump up when the stove was producing heatl. Link to comment Share on other sites More sharing options...
smileypete Posted May 11, 2017 Report Share Posted May 11, 2017 (edited) Probably not worth the hassle except for a year round liveaboard. A trawl of the forum archives for 'back boiler' 'backboiler' 'gravity heating' and 'thermosyphon' should help! Eta: If you'd like to have a go, do make sure it includes a big, wide, uninterrupted (NO valves) vent pipe between the backboiler outlet and open air, 22mm+ should do OK for a small backboiler. Edited May 12, 2017 by smileypete Link to comment Share on other sites More sharing options...
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