Thanks Tony,
Isn't the internet amazing? A helpful response in under 10 mins!
Alas, I suspected this despite the "Eng Tech LCGI MCIPHE RP". Unfortunately, I had to go with the insurer's approved engineer. I have phoned some other engineers for advice but have been universally met with...
I have a 5 year old Potterton Suprima 80l that has been serviced annually since installation. Four weeks ago I noticed that all the radiators in the house were cold. The boiler, which is in the garage, had gone to lockout but started up again first time when I pressed the reset button. Woke...