Thanks lightning - so it is the diaphragm that controls whether the CH is heated or the hot water? not so sure how these things work but thanks for your help so fer :-)
i have tried adjusting the temp of the hot water using the dial on the front of the boiler to no avail.
Need to some more diagnostics i guess. could it be the thing that diverts the water from heating to hot water? so in effect when i turn the hot water on (with the heating off) it is...
Thanks Lightning.
Tap light?
Central heating works fine on its own. On and Off with the thermostat.
With central heating off, the boiler lights when hot tap is turned on but only warm water comes out the tap - seemingly normal water pressure coming otut the tap.
Pressure etc...
Hi all, hope someone can help!
I have a Potterton Performer and it has recently stoped producing hot water (produces luke warm). Central heating works fine and fires on and off with the thermostat. Turning the hot water tap on also makes the boiler fire but no hot water?
Seen lots of...