Boiler problem

Joined
14 May 2008
Messages
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Location
Rutland
Country
United Kingdom
Combination boiler pressure dissapates over 24 hours can be reset but goes again. not all Radiators are now heating up. Is it a leak if so where is it likely to be? System is 7 years old.
Thanks.
 
Its a possibility if you have had works carried out in your property recently which may have caused a leak?!

Im assuming the problem has occured now you have just put on your heating system?!

Is the prv letting by or signs of water being released from the prv pipe?
The expansion vessel would be one of my first port of call if no visible leak detected

The system may need to be bled of air or balancing due to pressure loss
 
No work carried out in house.

The problem has appeared since switching the heating on after the summer.

There is no evidence of a leak anywhere.

What can I do if the expansion vessel is the problem?

Is there a specific point for bleeding?

Thanks, Shotgun
 

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