Hello
I have Worcester heatslave 2. It gets up to temperature then keeps going, eventually discharging water.
PRV checked, flat plate exchanger changed, expansion vessel checked.
What could be causing it to get out of control? The boiler is 5 years old, do thermistors go?
I have Worcester heatslave 2. It gets up to temperature then keeps going, eventually discharging water.
PRV checked, flat plate exchanger changed, expansion vessel checked.
What could be causing it to get out of control? The boiler is 5 years old, do thermistors go?