Thanks Rob,
Yes that makes sense. Downstairs I can see that it's a two pipe system as it's all surface mounted but upstairs it's a bit trickier as all pipes go into the floor so I can't really tell without ripping floors up :)
Morning All!
A little Saturday morning teaser for you all. I'm not having any work done but I live in an older house and am intrigued as to how the central heating pipe system connects and is laid out. I've attached a diagram. The house was built in 1916 and from what I can see from the...