Discuss Worcester Bosch Heatslave 20/25 Hot Water Not Working in the USA area at PlumbersForums.net
the heating still won't come on.
Thanks - tried resetting the overheat limit stat, no luck unfortunately still no hot water. The button just presses in, so don't think it has been tripped.Overheat limit stat tripped?
The heating or hot water? If the heating, is the room stat up to max?
Over heat stat as above or pump needs bleeding. Or both.
Thanks - tried resetting the overheat limit stat, no luck unfortunately still no hot water. The button just presses in, so don't think it has been tripped.
If you have any other ideas, happy to hear.
Hi again. I apologise, I misinterpreted your description of the problem and imagined you had neither heating or hot water.
Have you by any chance knocked the operating switch off or is it off at the programmer?
Need to check operation of flow switch.
If the pump energises when you open a hot tap that suggests the flow switch is OK but if the burner isn't igniting then there's another problem.
Someone with a multimeter and whos familiar with electrical testing should take a look for you.
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