boiler fires when cold shut off

[xtremeo]

hi fitted a vokera boiler fan starts for few seconds when cold water shut off upstairs not kitchen sink, turn stopcock to reduce pressure, no joy, no dead legs pipework new, would you recommend a non return valve or shock arrestor. any help would be appreciated.

regards

 

[Chalked]

Shock arrestor should stop it.

 

[Chalked]

Shock arrestor should stop it.
Btw. Did you pass your gas safe? ( looking at your previous posts)
If so pass your details to one of the moderators and ask away with gas questions.

 

[xtremeo]

hi gas safe registered how do you contact moderators, is there a just a forum for gas safe, thanks

 

[ShaunCorbs]

Either look for applumbing or croppie they will sort you out

 

[Chalked]

hi gas safe registered how do you contact moderators, is there a just a forum for gas safe, thanks

Brilliant!
Loads of great info and advice in there Just follow this .http://www.ukplumbersforums.co.uk/g...ic-forum/82396-entry-into-gsr-only-forum.html

 

[Dotty]

Send an image of the front and back of your gsr card to [email protected].

Remember to tell us your username.

Meanwhile, thread closed.