Worcester Greenstar boiler zero pressure and not moving up
Posted: Mon May 03, 2021 12:05 pm
Hi,
I've tried to increase pressure, followed all the instructions, but the pressure does not move and remains flat at zero. Is there anything at all that I've missed.
I've tried to increase pressure, followed all the instructions, but the pressure does not move and remains flat at zero. Is there anything at all that I've missed.