turned off stop cock in house, drained out all water from cold taps and cistern.
turned it all back on, and now when cold water is drawn from kitchen tap the combi thinks hot water is being called.
Whats happened?
vailant ecotec pro28
turned it all back on, and now when cold water is drawn from kitchen tap the combi thinks hot water is being called.
Whats happened?
vailant ecotec pro28