help - a few days ago a perfectly working rad just stopped. All others in house fine, rad is 12 months old. have drayton TRV 4 fitted, have checked pin seems ok, have turned all rads off and on, taken air out of all rads .
the rad before and after the broken one all work. what can i check next.
cold water coming out of rad when i open the airlock, water not black.
the rad before and after the broken one all work. what can i check next.
cold water coming out of rad when i open the airlock, water not black.
