Had a call to an hot water unvented system yesterday because the hot water has become discoloured (a light yellowish brown).
Pressure was down a little on the heating, but apart from that I could find no other fault.
It's a Calorex system.
Any ideas?
Pressure was down a little on the heating, but apart from that I could find no other fault.
It's a Calorex system.
Any ideas?
