Thanks John
So just to get this right even though my programmer is only calling for HW the 3 wy port is leaking to the rads upstairs.
Do you know where i would usually find this port. does this have to be wired in. or is this purley mechanical
Also does the thermostat for the cylinder...
Thanks for the responses.
I havea digi programmer with ch hw and 7 day cycle with multiple settings
I also have Honeywell Room thermostat with eco new last year.
the 3 port valve does this divert hot water from cylinder once the stat reaches temp.
Is it normal for my radiators up...
Hi
Any help appreciated, 1st I have an oustide boiler. I believe My heating system is gravity fed,
I can select hot water and this heats my cylinder and radiators up stairs, If i want CH down staris I have to have both HW & CH on at programmer. This will kick the pump (think its a pump get...