ch programmer

Hi, some years ago I had wet UFH installed in my conservatory. It was just chopped into the existing Y plan wiring and plumbing. The problem being that when UFH demands the CH/HW runs and vice versa. We have put up with it but now as we are spending more time at home it needs fixing. The best...

Hi All, I'm wondering if anyone has any idea what is happening here. I have a CH/HW system made up of Worcester Greenstar boiler, 5 radiators and hw tank controlled by Danfoss FP715Si programmer and Danfoss Thermostat (RF). Programmer is set to run All Day from 0630 to 2230 Over the last year...