Halstead Ace High is heating rads up whilst in Hot Water Mode , the green central heating LED does not come on anymore just the Hot water LED
Thermostat turned to min.
Hot water to taps works fine.
Im having to turn combi off until we need hot water
Any ideas chaps??
Thermostat turned to min.
Hot water to taps works fine.
Im having to turn combi off until we need hot water
Any ideas chaps??