Superb thanks it's Worchester Bosch 28i junior (an early model) couldn't find another with the same board online so though I would post here.
Much appreciated mate thanks
Hey folks looking for a bit of confirmation.
I'm about to install a nest heatlink in my mother's house her boiler is up stairs so I'm trying to make life a bit easier by installing a nest thermostat.
I'm intending on using 4 core flex cable can someone confirm If what I'm thinking is correct...