I have a nest thermostat 3rd gen I think. Currently having an issue with
it not switching on the boiler for hot water. If I boost it the heat
link clicks but does not switch on the boiler.
I have realised moving the lever is just putting it in manual mode which
has thrown me again as it could either be the valve not working when in
auto mode or it isn't getting the signal to work
I have a valve near the hot water tank. If I open the lever and turn the
water on it seems to work. When I turn it off the lever moves back again
but when I turn it back on again it just buzzes and the lever doesn't
move
Sorry yes It's a pressure system. We have been in the house 3 years and
it was already installed so had no previous issues. Either using the app
or the thermostat, when I call for heating it works fine. When I call
for hot water it clicks but nothing...
