Recent content by 66BaldEagle

No the cws doesn't fill up at the same time.

Assumed it wasn't coil as it happens when CH only is on (and with HW)

Thanks for responding guys, I had an inkling that maybe the cold feed was being blocked (gathered from previous similar posts) but with the amount of water that has gone out the overflow it has to be coming from somewhere ( the rads aren't full of air) as it happens with CH I sort of...

Hi, Fairly new to forums. Look for previous posts without success. I have a Potterton 50e Boiler Honeywell ST7100 Programmer, Sundial Y plan. The system has been running well for years, nothing has been replaced in the last year (room stat changed about 1 year ago, pump about 3 years ago...