In answer to these questions -
"try looking in the pipework at the boiler, I've had several of these boilers getting blocked at the iso valves.
Mick."
What is an iso valve?
"run c/heating and shut off rads that are working.if ok open same rads but only 50 percent"
Tried this and...
Thanks for a quick reply Tony,
The question is, what else do i do, or what do i need to check.
How do i clear a blockage, is there a sequence/procedure to follow.
All upstairs are really hot and downstairs are stone cold.
Thanks
Richard
Hi,
I have a Worcester Bosch Gas Combi (24Si?) that is 6 or 7 years old.
I turned on the central heating and the rads downstairs wouldn't heat up. I joined the NPower CH scheme, a guy came to do a service, but we wont be covered untill its working. He said possibly pump or dirt in the pipes...