Normally one radiator is uncontrolled, to act as a bypass for the boiler, in my case its a bathroom towel rail.
You could get a plumber to fit an auto bypass valve in the pipework.
Normally one radiator is uncontrolled, to act as a bypass for the boiler, in my case its a bathroom towel rail.
You could get a plumber to fit an auto bypass valve in the pipework.