Central heating

Joined
25 Nov 2010
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Location
Northamptonshire
Country
United Kingdom
I have an airlock in the central heating system. One or more radiators make a loud gurgling noise, not all the time only occassionally. How can I cure?
 
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Not the right forum plumbing would probably have been better.

Have you tried bleeding each radiator to get rid of the air.
 
As said above bleed the radiators and top up the pressure. If some aren't working and there is a possible airlock, turn all other radiators off at the TRV besides the one with an airlock and this should shift it.
 
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Loud gurgling noise is probably an indication of severe corrosion and blocked pipes.
Open vent by any chance?
 

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