Worcester bosch Highflow 400 rsf?
I have a greenstar 440 displaying d5, I have tried the reset code ?
I only have heating downstairs... ?
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My heating is on?
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my greenstar highflow 440 boiler is showing an error code C1?
Where can I find a schematic diagram for a worcester bosh 28i boiler?
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Greenstar Highflow 440?
