Hi,
Following suggestions in a previous thread I have tried to solve my pressure loss problem by recharging the exp. vessel.
My symptoms were: since I drained the system to swap a rad I have been loosing pressure, dropping below .75 Bar which is the cut off for the boiler. Initially it was about every 2 weeks, then every week, now daily.
I haven't seen any water coming out of the PRV, but that is not to say it doesn't, since it usually drops overnight (I guess because that is when the heating it on for longest). When the heating comes on the pressure jumps from around 1/1.5 to 2 instantly and then creeps up slowly.
I got a hand pump, but it was doing nothing, I was unable to increase the pressure with it. I assumed it was the pump not being powerful enough and used my electric compressor (which has a pressure gauge). It initially made it jump up about .5 bar on the boiler gauge, but on the pump gauge it was showing about 3 bar.
Does anyone know what pressure it should be showing on the air gauge? I thought that really it should be the same as the boiler pressure so that they were balanced and when the water expanded it wasn't trying to compress already compressed air?
Any help is greatly appreciated!
Jamie
Following suggestions in a previous thread I have tried to solve my pressure loss problem by recharging the exp. vessel.
My symptoms were: since I drained the system to swap a rad I have been loosing pressure, dropping below .75 Bar which is the cut off for the boiler. Initially it was about every 2 weeks, then every week, now daily.
I haven't seen any water coming out of the PRV, but that is not to say it doesn't, since it usually drops overnight (I guess because that is when the heating it on for longest). When the heating comes on the pressure jumps from around 1/1.5 to 2 instantly and then creeps up slowly.
I got a hand pump, but it was doing nothing, I was unable to increase the pressure with it. I assumed it was the pump not being powerful enough and used my electric compressor (which has a pressure gauge). It initially made it jump up about .5 bar on the boiler gauge, but on the pump gauge it was showing about 3 bar.
Does anyone know what pressure it should be showing on the air gauge? I thought that really it should be the same as the boiler pressure so that they were balanced and when the water expanded it wasn't trying to compress already compressed air?
Any help is greatly appreciated!
Jamie
