Recent content by Zippy99

  1. Z

    Vaillant turboMAX plus

    Model 837E Looking for help with a boiler that needs help starting! 8/10 times the boiler kicks in, it locks out with an F28 error. To get it working I can turn on a hot tap and reset the boiler. It usually kicks in straight away and I can turn off the hot tap. The boiler then stays...
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