Panic over fixed it there is three wires that go to what looks like nothing i had just tucked them out of the way. found a wire diagram online and it showed them going to the aqua sensor, they basically lay on top of the sensor and when the impeller goes round ( when you turn on your tap) the...
Total disaster had a leak on the heat exchanger came off easy put new o-rings on put back together filled system back up and now no hot water, i would of rather had the drip!! any suggestions?
Help please, many thanks