Re- combi boiler

[jiffter]

Hi,

I asked a question about my combi boiler the other week and got speedy brilliant advice,thanks again for that.
I'm hoping you can help me once again regarding the combi.The question is much the same as before (isolating the water to replace bathroom piping),but this time i want to isolate the water supply from the heating system in order for me to change a radiator. I'd be very garateful if anyone could point me in the right direction. Many thanks in advance.

 

[gas4you]

if you are replacing the radiator like for like, then you will only have to isolate that rad and drain just that one.

If you mean you are putting a different sized rad in that will necessitate pipe work changes, then you will have to drain the system down to do it.