when i turn on my gas central heating all radiaters are hot but there is no hot water in taps. i don't understand why.the pipes in the bathroom just have been changed.but when i heat my water through electricity it works and i have hot water in taps.what could that be?? i have baxi bermuda 401.

maryna, December 2008

Header tank in the loft is bone dry.The ballvalve needs pushing down to refill the tank.You should then be ok.

Tony S, December 2008