hello,i have an s plan system with a potterton suprima boiler,the radiators only seem to get luke warm i dont no why.The zone valve body and motor have just been changed for the heating side,the pumps is brand new, but still no improvement?the boiler also seems to keep shutting off and wont run constant as if it thinks its got to heat when it cant have!
Any help would be greatly appreciated thanks.Also it has already had a new p.c.b some time ago.
John
Any help would be greatly appreciated thanks.Also it has already had a new p.c.b some time ago.
John