central heating project

owein

I'm about to embark on building my own central heating system and have a few questions. It will run off my stanley errigal woodburning range. I already have a gravity hot water system, which provides far to much hot water and we want to tap into this. My questions are:

Can I just tee in to the gravity system ant a convenient point?

Can I fit a pump at any point on the heating circuit?

And though I wont go up and down too much am I right to assume that with a pumped system you can do so?

What type of pipe would people recommend? and what guage? as some people are telling me to use copper, others plastic etc. etc.

thanks very much in advance

Igol

My last few posts in this forum may provide a few of the answers your looking for.
I went for 15mm copper to the rads mainly because the fittings were cheaper and solder ring ones neater. I did have a ponder about 10mm and indeed one spur off the main circuit is 10mm but for the main part I was a little worried about not being able to shed heat from the HWC quick enough.