F
Flanners
Best practice is boiler interlock, TRV's and a programable room stat if you want to comply to up to date literature.
To answer question, x3 zone valves, two to heating, one to hotwater still only one return needed for heating though. Exactly like a normal S plan but with an additional valve. And if your an electrician the wiring will be a peice of cake.
To answer question, x3 zone valves, two to heating, one to hotwater still only one return needed for heating though. Exactly like a normal S plan but with an additional valve. And if your an electrician the wiring will be a peice of cake.
