high CO reading on worcester 28i rsf boiler

[mahogany]

hi there, mahogany new member to this site. getting high CO reading on Worcester 28i rsf Gc no 47 311 54 burner pressures ok gas rate fine removed burner,removed heat exchanger removed and washed through fins ,took out fan, checked flue all ok.spoke to Worcester technical who said it must be the gas valve.replaced gas valve still the same over 700ppm CO any help very much appreciated gas safe registered

 

[Atouchofgas]

Hello and welcome, unfortunately we don't give out gas advice on an open forum. You need to do this
http://www.ukplumbersforums.co.uk/g...ncement-how-gain-access-private-gas-safe.html

 

[Reg Man]

You will have to up your number of posts and apply the get on the GSR forum before you can get advice on gas issues.

 

[kris]

Welcome along mahogany ,

 

[IDCHAPPY]

Welcome to the crew