Moved into a new house that has an unvented heating system and 2 of the
upstairs radiators are cold at the top indicating that they need bleeding.
Can I do this on this type of system? Only that our decorator frightened me
as he didnt want to take the radiator of to decorate.
May be a stupid question, but I would rather find out before causing
problems with my heating system.
On Thu, 30 Nov 2006 19:57:56 -0000, "Steve Matrix"
By "unvented" I assume you have a combi system?
If so bleeding is as simple as a conventional system, BUT with one
This is that you will be depressurising the system, perhaps below it's
So the first thing is to go look at the boiler and see what the
pressure reads on the dial. Best done cold and with the system working
hot. Then make sure you know how to reinstate the pressure to
Then go bleed the rads.
Thanks for your reply Eric.
We have a system where the mains cold water is fed directly to a hot water
storage vessel (Megaflo CL170 Indirect) and a gas boiler in the garage.
I'll check the boiler this morning to see if there is a pressure reading.
Thank you for your help so far.
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