hot water?

my halstead ace high boiler is okay for c,h but i cant get hot water when heating is on. i have to wait for boiler to cool down before hot water will come on. i can get ch any time but hot water is a problem
stan, May 2012
the hot water thurmister has gone that is why you have to wait for your boiler o cool down

KEVIN, May 2012
link Click here to see other fixes for Halstead.