worcester highflow 4.5 programmer reset

Which buttons do I press and hold

Reply to
Anonymous
Loading thread data ...

It trips very 365 days to remind you to get the boiler serviced. You will need a technican to service it and then he can reset it.

Reply to
stanhvac1

HomeOwnersHub website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.