I HAVE A COMBI BOILER: VOKERA 20-80 RS. IN THE PAST I HAVE BEEN ABLE TO RAISE THE PRESSURE SO THAT IT STAYS ABOVE 1.5. I DID THIS BY GOING UNDER THE SINK AND OPENING A VALVE SLOWLY UNTIL THE PRESSURE ROSE. THIS VALVE WAS CONNECTED TO ANOTHER VALVE VIA A 12INCH LONG FLEXIBLE TUBE. I THINK THAT ONE END WAS FOR HOT AND THE OTHER FOR COLD. ANYWAY, MY LAST REPAIR MAN REMOVE THE TUBE SO I CANNOT NOW CHANGE THE PRESSURE.I WANT TO RECONNECT THE TUBE MYSELF BUT AM NOT SURE IF THIS TUBE MUST BE FILLED WITH WATER BEFORE I RECONNECT.....OR IS IT SUPPOSED TO BE AIR-FILLED. PLEASE ADVISE ....! CHEERS.
- posted
19 years ago