But I’m highly suspicious that the nest update didn’t do something to
change something somewhere and there’s still the apparently benign bug
with the app showing hot water as greyed out.
Glad it was of some help. It sounds like you need to replace that silver
box as in auto mode it should open the value and send a signal to the
boiler to fire to heat the tank when the tank thermostat is lower than
the set level or if the schedule is ...
It’s not attached to your boiler so snoop around the hot water tank and
nest heat link box.i found as a work around if the lever on the silver
box was moved to manual and the boiler was heating the rads, then the
hot water tank would fill again.
this is the release value that was faulty. It does two things. When you
hit boost or when the water is on the heating schedule this value
(that’s wired into the nest heat link white box), should make a small
sound and open the flow of hot water to y...
My issue is now fixed. Again it was a faulty motorised value between the
heat link and hot water tank. It’s been replaced and the boiler now
fires when there’s demand (under boost or schedule from the nest).
There’s still a bug with the app displayin...