If it is Port valve stuck---then we can replace it;Port valve stuck / the micro switch, how capable are you with electrics and do you have a multi meter?
If it is the micro switch---how to do with this? And how to check if it is micro switch?
Discuss Timer is off but boiler is still operating!! in the USA area at PlumbersForums.net
If it is Port valve stuck---then we can replace it;Port valve stuck / the micro switch, how capable are you with electrics and do you have a multi meter?
Reply to Timer is off but boiler is still operating!! in the USA area at PlumbersForums.net