Hi.
I have a Potterton Promax Combi HE +
When the heating comes on the pressure rises over a few minutes until the safety valve blows off the extra pressure.
If I manually release the pressure to 2bar it then pretty much stabilises and stays there. However once the system goes off and it cools the pressure drops and E1 is displayed.
I have let the pressure out the expansion vessel to check there is not water coming out the valve to show it is ruptured internally, then repressurised it and this hasn't changed it?
Any advice as to what could be up? From what I've read I'm looking at replacing the Pressure Vessel or draining the vessel down and starting over?
Thanks for your help folks.
I have a Potterton Promax Combi HE +
When the heating comes on the pressure rises over a few minutes until the safety valve blows off the extra pressure.
If I manually release the pressure to 2bar it then pretty much stabilises and stays there. However once the system goes off and it cools the pressure drops and E1 is displayed.
I have let the pressure out the expansion vessel to check there is not water coming out the valve to show it is ruptured internally, then repressurised it and this hasn't changed it?
Any advice as to what could be up? From what I've read I'm looking at replacing the Pressure Vessel or draining the vessel down and starting over?
Thanks for your help folks.