If you're putting in a new fireplace, consider getting one with a baffle plate. It's a little plate at the top of the opening which you can shut when the fire isn't on and all your warm air literally won't go up the chimney. We got one. Great job altogether.
If you have crawl space doors in a converted attic etc., insulate the back of them with aeroboard etc., as DavyJones recommended you do to the trap door of an attic.
Do many people with open fires have a back boiler linked to their central heating system. I currently have my gas boiler in the fireplace and am looking at getting a wall mounted boiler and reverting to an open fire. I just wonder would the added expense of installing a back boiler be worth it?
Thanks in advance for any response.
I don't think you can have a back boiler and gas central heating at the same time - I used to live in a property which had oil c/h and a back boiler system, and when I converted from oil to gas, the back boiler had to be disconnected for safety reasons (I still had an open fire, but it didn't heat rads or water).
Is it possible to get ones to be retro fitted to existing firehearths. It seems that a lot of houses have the heating on with quite a large % of the heat escaping through the chimney.
where would the thermostat on the hot water cylinder have to be wired back to?
even 80,0000 plus 15% that still comes in at 92,000? no switches if i want to turn off a zone i would have to move the little lever on the valve itself the boiler seems to run constant when the heating is on kicks out for 3 mins then back on again seems to me like its under a lot of pressure to keep the rads hot the stat at the boiler itself is set around 67 degrees,i got a chart from heatmerchants messured my rads then got the figure off the chart for each rad 17 in total and it came to just over 80,000glic83. How did you calculate BTU outputs? 80000 plus 15% for DHW (domestic hot water). 90000 should do. the boiler is rated 70000 to 90000, ensure it is set to it's right. Serviceperson will do this no problem.
you have zone valves? have you switchs instead of stats I.E turn off switch to shut down zone.
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