My upstairs radiators are on when the heating is off (but hot water is on).?

Question

I have 4 rads upstairs, 2 have thermostatic controls on them and are fine, two (hallway and bathroom) don't have any controls I can see (except one flat head s***w in the right valve casing) and these 2 are always on when the hot water on but the heating off. I can't see how to turn them off, it's 85 degrees outside and the radiators are red hot!

Answer 1

it sounds like the valve is sticking that changes the flow of water from the radiators to hot water

Answer 2

Try counting the number of turns clockwise you can turn those screws closed. See it it then cools down (may take hours) Remember the # of turns so you may later turn then back when needed. They should be turned all the way counterclockwise when open.

**JD