I need to remove 2 rads - 1 x first floor and 1 x ground floor in preparation for some building works.
I have tied up the ball cock in the loft, located a drain valve by the back door, opened it and the highest valve in the system. I appear to have drained all of the first floor rads.
However, the flow has stopped coming out of the drain valve and the ground floor rads are still full. I have noticed that each ground floor rad has it's own drain valve. Given this setup- Do I need to empty them all like this, or can I just empty the one which I intend to remove?
I have tied up the ball cock in the loft, located a drain valve by the back door, opened it and the highest valve in the system. I appear to have drained all of the first floor rads.
However, the flow has stopped coming out of the drain valve and the ground floor rads are still full. I have noticed that each ground floor rad has it's own drain valve. Given this setup- Do I need to empty them all like this, or can I just empty the one which I intend to remove?