I have a worcester 24i but for the past few weeks the pressure keeps dropping a few hours after i have reset it but now i have noticed that theres a pipe thats dripping out boiling water into my back gardan. i have turned my boiler off but the dripping still has not stopped. please help me, its driving me mad!

judy carter, January 2009

Sonds like your pressure relief valve needs changing

John Bailey, January 2009