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Last winter I thought I had a problem with my 3 way valve. For an unknown reason (to me) only one or at best two rads would got hot at a time. I've got a boiler in my kitchen. Pump upstairs. Four rads in the house, two up two down. Every thing used to fine. I found if I forced the gear (not the...

If I understand correctly. My original had two positions: hot water or heating. The new one has hot water, heating, or both. That sounds correct as if I had the hot water timer set to come on it would over ride the heating and the rads would go cold - great design :roll: If I stay with what...

I had a problem with the valve on my heating system. Simply it stopped working. I could move the manual lever with alot of effort to manual so I assumed it was worn out. It is located on the exit side of my pump, one exit to the hot water tank the other the heating (rads). The cover is marked...