Search results

not functioning correctly temperature dosnt seem to modulate boiler fires up and after say 20 sec cuts out im guessing it looks like it ramps past its set point then it just cools down and repeats cycle hence its hardly ever on and cant heat the house. If i turn temp high im seeing a little...

green light comes on all seems to work get to temperature makes small pop noise and cuts out, temp drops back and in its own time repeats the cycle hence the f****ng thing os off more than its on and the heating is luke warm puimp dismantled seems ok system flushed and to me it points towards...

I have an open vented system with 2 2port motorised valves. When both CH and HW are on the whole house rads cool down significantly.If i turn off HW then CH returns to hot pretty quickley. Is there a way to limit the HW through the hot water tank?