How can I fix my potterton kingfisher boiler floor standing?
I have a old potterton kingfisher boiler which is about 25 years old,there is air in the rads on the top floor I have 18 rads in a 3 floor hse.I have bleed the rads for 3 days and the rads on the top floor are not hot.I have a vented sys.
Derek, January 2011