Hi i have recently started having problems with my halstead boiler , takes ages for burner to come on , then when water gets hot its goes cold again, ch is fine , when tap is switched off then fully on again it comes hot again, its a halstead ace high approx 4 yr old

Rodger, September 2009

diaphragm needs replacing which should cost around £60 outside of london.

mick the plumber, September 2009