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  1. M

    Worcester Bosch Greenstar Utiliy 18/25 lockout issues

    the tiger loop is all metal so cant see the level or bubbles- the line was pressure tested 3 months ago and was fine then. thanks
  2. M

    Worcester Bosch Greenstar Utiliy 18/25 lockout issues

    the lockout light comes on when the boiler tries to start up from cold- sometimes flashing sometimes solid red. Im interested to know if anybody has experienced similar issues with this boiler thanks
  3. M

    Worcester Bosch Greenstar Utiliy 18/25 lockout issues

    thanks Karatekid, the tank sits approx 350mm above the level where the boiler sits. top outlet with a floating pickup. the run is approx 15M. we have a twin pipe system and a tiger loop with a Danfoss BFP11 L3 pump. cheers
  4. M

    Worcester Bosch Greenstar Utiliy 18/25 lockout issues

    Hi we have a W.B. Greenstar utility 18/25 installed in 2012 that has been very unreliable over the past 2 1/2 years. The chap who serviced it last recons they have a design fault. anybody else heard this? or come across the same issues? the red lockout light comes on all the time. ta
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