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DavecUK It’s been on an extended life since 2014. We were told the boiler was almost new after a lightning strike in 2014 took out a few. Since then, we replaced the expansion valve in 2019, Hive Smart Stat (new version) in 2018 after a neural fault on our development and Drayton Zone Valve actuator last year. Let’s see what the issue is this year! 😃