sorry forgot to mention, the reason I think there is a problem with the valve is that he was not getting CH even though the programmer was calling for both DHW and CH. The valve moves a little but not far enough. If you manually open the valve all the way to CH only then release, the valve...
Hi All,
I suspect my dad's Danfoss 3 way valve is sticking or the actuator is faulty (after switching CH, HW etc on/off and watching the actuator).
I happen to have fairly new Honeywell 3 way valve left over when I had some work done on my house and I was wondering whether I could swap one for...