My whale master pump is noisy, and running on after taps are closed for a lot more than usual. Any ideas please . I have changed the o rings . Still the same.
I guess it will need adjusting - and sometimes turning a lot to get it right! It will also need future tweaking if you swap form mains to off grid operation. Whale page attached - I have printed and laminated one to go in my 'must remember how it works' folder!
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