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by dpicton
Sat Nov 07, 2009 9:43 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Coombi boiler flow stopcock
Replies: 5
Views: 3243

Coombi boiler flow stopcock

I wish to drain down the radiator system heated by a combi boiler. I don't see any stop valves next to or near the boiler - should there be one. Would the stop valve on the incoming cold main be the valve to operate before draining the system?
by dpicton
Sun Nov 01, 2009 2:05 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Combi boiler
Replies: 2
Views: 2686

Re: Combi boiler

[quote="rosebery"]Its easier than what you did previously. Just release the pressure from the system by draining water off at the drain cock. On the boiler there is a pressure guage. When this drops to zero you can isolate the radiator concerned and make your replacement. When you have fin...
by dpicton
Sat Oct 31, 2009 5:48 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Combi boiler
Replies: 2
Views: 2686

Combi boiler

I wish to insert a new radiator and remove an existing radiator within an 'up and running' heating system that is powered by a combi boiler. I have not dealt with a combi boiler installation before and so am unfamiliar with the system. I am not a plumber but am reasonably competent and am happy abou...
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