Dropping a Radiator (combi system)

[jmanjmanj]

Hi
I've recently attempted to remove a radiator from the wall to decorate behind it. I switched off both valves and drained the rad (about 2 1/2 large buckets came off it). However I seemd to have drained the entire system from upstairs as the rads upstairs were full of air - is this normal?

I have since put the rad back on but its currently laying on its side allowing me to turn the rest of the heating on. (the rad on its side however remains off (as both valves are shut)

I have added water back into the system to system and bought pressure back to 2 bars, i've also bled the upstairs rads to remove the air

I recall seeing something about adding inhibitor - where should this be added?

Now then - I will need to put the rad back onto the wall - will I simply have to loosen the nuts either side and put the rad back on, tighten the nuts then open the valves - or so I need to do something else?

Thanks

 

[62945835]

Now then - I will need to put the rad back onto the wall - will I simply have to loosen the nuts either side and put the rad back on, tighten the nuts then open the valves - or so I need to do something else?

Thanks

tighten nuts
open valves
bleed the rad

I recall seeing something about adding inhibitor - where should this be added?

Thanks

add inhibitor in the feed and expansion tank(small tank)

 

[adwt2004]

You'll have to add inhibitor into the top rad valve. Some inhibitors come with an adaptor to do this. Fernox?

You won't have feed/expansion tanks with a combi so don't worry about that. Your system is a sealed system under pressure, when you lose water you need to top it up at the combi itself using a fill in loop. The manual will explain this.

Do inhibitor part first though then top up to pressure as per the manual guidelines. Look at the "wiki's" on this site, one of them covers the above i think.

 

[stumpynut]

You dont have a F&E tank. Buy the inhibitor you administer through the rad bleed nipple.

 

[jmanjmanj]

Thanks for your inputs.

when you refer to the top radiator valve what do you mean?

thanks