Installing a rad in the attic

turn off boiler, drain down system, tee off central heating pipes (flow & return) nearest the new rad,run flow and returns to new rad, in one end via a thermostatic rad valve and out the other via a lockshield valve(measure size for new rad so output is correct for room size) fill up heating system via filling loop, turn boiler on .... crack open a beer!
 
As it's a sealed system, it's quite possible to do it without draining down, only de-pressurising, if you have the courage, stop ends and a few old towels...
 
turn off boiler, drain down system, tee off central heating pipes (flow & return) nearest the new rad,run flow and returns to new rad, in one end via a thermostatic rad valve and out the other via a lockshield valve(measure size for new rad so output is correct for room size) fill up heating system via filling loop, turn boiler on .... crack open a beer!

While you sit there enjoying your beer, haven't you forgotten the inhibitor??
 
It may be important to identify where to connect into the existing pipework - say for example if the boiler is responsible for heating a thermal store, or an indirect cylinder.

Just tee'ing in anywhere could adversely affect how your system works.
More info on the system is needed.

If you have a combi boiler or the boiler heats a radiator circuit only then you should have no problem.

Allan
 
The safest and corrct method would be to drain down. you should have no problems re-filling because it is a sealed system.

Hope you read my previous post in this thread?


Allan
 
While you sit there enjoying your beer, haven't you forgotten the inhibitor??

hahhahahha yeah grab yourself some inhibitor, fernox and sentinal are a few brands that i use (on every job) and pour into the pipe work

you have just installed before you fill up, then sit back down and crack open a second tinny
 

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