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How to replace the timer on a greenstar 28i junior?
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Change time on boiler. Clock?
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I have a greenstar 440 displaying d5, I have tried the reset code ?
worcester24i rsf?
Greenstar Highflow 440?
Pressure above 2?
my greenstar highflow 440 boiler is showing an error code C1?
Worcester Bosch free standing boiler?
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I only have heating downstairs... ?
Boiler cycle?
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