CONDENSING CENTRAL HEATING PROBLEM

leegething · 2006-11-24T15:30:19+00:00

tHE SYSTEM WAS NEWLY INSTALLED LAST YEAR AND WORKED A TREAT HOWEVERHAVING BEEN TURNED OFF OVER THE SUMMER IT IS NOW NOT FULLY WORKING. THEDOWNSTAIRS RADS ARE HOT BUT THE UPSTAIRS ONES ARE COLD. tHERE IS NOAIR IN THE RADS AS THEY HAVE BEEN BLED. I HAVE TRIED TURNING THEDOWNSTAIRS RADS OFF TO SEE IF THIS HELPED BUT IT DIDN'T. tHE PRESSUREIS OK AND ALL THE RAD TAPS ARE OPEN. THE SYSTEM IS A BIASI CONDENSINGBOILER. ANY HELP GREATLY APPRECIATED.