Thanks for this response which goes some way to explain the over-run situation: Two points:
1. This implies that my water temerature when operating without CH is governed by the over-run thermostat, and at present it must heat up to the tank thermostat setting - about 55 degrees -...
My architect specified a 15" flue in our new extension. Not surprisingly it ships quite a lot od water that drips onto the woodburning stove and creates a very unpleasant smell. I need a cowl but I cannot find one with a diameter bigger than 10". Any recommendations?
I had my basic gas heating system reworked professionally and a new boiler (Glowworm Ultimate ) and an electronic programmer/ timer installed. The system functions after a fashion but I have noticed that while the central heating work as expected, the hot water does not.
The heating...