Draining rads

londoner1 · 19 Apr 2016

About to drain the rads/heating on the WB 240 RSF, am i right in saying we shold just isolate main return and flow pipes and drain, the boiler will just function on DHW?

Newboy · 19 Apr 2016

Yes - isolate at the boiler, as long as the boiler retains pressure in the heating loop you'll be good - make sure that there's no call for heating either at programmer or stat

dilalio · 19 Apr 2016

And keep an eye on pressure just in case one of the isolators are not holding. Unlikely, but...

bazdaman · 19 Apr 2016

if you mean isolate on boiler flow and return you are a very brave man

TCCHeating · 19 Apr 2016

bazdaman said:
if you mean isolate on boiler flow and return you are a very brave man

+1. Either very brave or very foolish

AGAS · 19 Apr 2016

Agile · 19 Apr 2016

Most of the time they do.

Thats if they still turn, which is another issue!

muggles · 20 Apr 2016

londoner1 said:
About to drain the rads/heating on the WB 240 RSF, am i right in saying we should just isolate main return and flow pipes and drain, the boiler will just function on DHW?

I wouldn't touch the boiler valves if I were you - turning them almost invariably makes them leak, and once they start leaking there's no stopping them.

londoner1 · 20 Apr 2016

Well thanks alot, as expected you get different answers.

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Draining rads

Newboy

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