Hi,
Could someone tell me what this valve is on the lockshield please? See red circle on image. We have one one every radiator on the ground floor but nowhere else. We don't have what I know as a standard drain valve and assume this is possibly related but never seen before.
Thanks
Could someone tell me what this valve is on the lockshield please? See red circle on image. We have one one every radiator on the ground floor but nowhere else. We don't have what I know as a standard drain valve and assume this is possibly related but never seen before.
Thanks