I moved into a house that had a central heating system (an oil converted rayburn and 6 Rads) which just simply did not work. The rayburn could make lots of hot water but could not cope with one rad being on. This was explained to me in this forum some time ago. 
Having extended the house and pondering what to do about the CH and also needing to replace the front room real fire, I decided to have a multi fuel stove fitted (we live in rural Aberdeenshire so no mains gas or restrictions on solid fuel) that has a wrap around boiler.
This was connected into the existing CH system which now works great with the rayburn also being used as a supplement to the hot water heating.
Any way, what I want to do is extend the CH system into the extension. The house is all on one level with suspended wooden floors. I know I should have put the pipes in before I floored the extension but there is quite a bit of room under there (enough to crawl around).
I've given up trying to get a pro in that doesn't charge the equiv of a Vernon jackpot pools win to do it this side of the next ice age. I've read up on the 'how to solder' topic and I'm quite confident at attempting the pipe work myself.
The main feed and return to the rads is 22mm pipe and the actual rads are fed by 15 mm pipe. Is the way ahead to simply extend the feed/return pipe with 22mm pipe into the extension and take 15mm 'T' joints off it to supply the new rads?
Having extended the house and pondering what to do about the CH and also needing to replace the front room real fire, I decided to have a multi fuel stove fitted (we live in rural Aberdeenshire so no mains gas or restrictions on solid fuel) that has a wrap around boiler.
This was connected into the existing CH system which now works great with the rayburn also being used as a supplement to the hot water heating.
Any way, what I want to do is extend the CH system into the extension. The house is all on one level with suspended wooden floors. I know I should have put the pipes in before I floored the extension but there is quite a bit of room under there (enough to crawl around).
I've given up trying to get a pro in that doesn't charge the equiv of a Vernon jackpot pools win to do it this side of the next ice age. I've read up on the 'how to solder' topic and I'm quite confident at attempting the pipe work myself.
The main feed and return to the rads is 22mm pipe and the actual rads are fed by 15 mm pipe. Is the way ahead to simply extend the feed/return pipe with 22mm pipe into the extension and take 15mm 'T' joints off it to supply the new rads?
