Recent content by Pat Mustard

Thanks for your earlier reply, Jon. Quick update: We've had the installers back, and they've had Grant change the PCB. They thought there was a problem with the thermostat, which is on the PCB itself, and the water was boiling. It hasn't solved the problem, though. Neither the installers or...

We have recently had a Grant Vortex Pro 26E combo boiler installed, but are having a problem with it. When the boiler heats the hot water, there are lots of bubbling and gurgling noises coming from it. When the boiler stops heating, presumably when the water is up to heat, the noises actually...