the radiator in the bedroom is fitted with a thermostatic valve , the radiator is not getting hot , it is hot a the pipe work to the valve. i suspect the valve is sticking . the house is fitted with a combi boiler. how do i clean the valve thanks john

John Smith, November 2009

remove the head from the valve, if the radiator then comes on the thermostatic head is faulty, if it doesnt tap the spindle several times and use some wd40 to lubricate.

Brucey, November 2009