Hi.
It would appear that the expansion vessel is ok, and yet the boiler pressure is operating and exceeding 3bar.
The PRV does leak before 3 bar and I know needs replacing, but what could be causing the high operating pressures.
Thanks
It would appear that the expansion vessel is ok, and yet the boiler pressure is operating and exceeding 3bar.
The PRV does leak before 3 bar and I know needs replacing, but what could be causing the high operating pressures.
Thanks