Hi, wondering if anyone can help with this annoying problem, have a relative who was asking me about her heating, i know some about it but couldnt think whats causeing her problem, that is, its a 80s system, with back boiler replaced for another back boiler in 1994, with a Danfoss Randall time clock on chiney breast and pump driectly blow under floor and thermostat in hall, each rad also has TRV's exept for bathroom.
The problem is that like now, she needs hot water but no heating, if the contoller is switched to "water only" she gets how water & The upstairs rads also come on, downstairs do as they should and stay cool. When set to water and heating, everythings works fine. So can anyone shed any light on whats causeing this problem of water only, still alowing upstairs rads to come on ? any help would be great. Thanks.
The problem is that like now, she needs hot water but no heating, if the contoller is switched to "water only" she gets how water & The upstairs rads also come on, downstairs do as they should and stay cool. When set to water and heating, everythings works fine. So can anyone shed any light on whats causeing this problem of water only, still alowing upstairs rads to come on ? any help would be great. Thanks.