Hi
Can anyone please help having problem with Dhw when on summer mode and no demand the boiler still fires up and the rads get hot, have checked the diaphram and pin on divertor these working fine changed micro switch still same problem any suggestion would be appreciated
Can anyone please help having problem with Dhw when on summer mode and no demand the boiler still fires up and the rads get hot, have checked the diaphram and pin on divertor these working fine changed micro switch still same problem any suggestion would be appreciated