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Ben Snowden
My grundfos alpha 2 15-60 130 pump is set to 3 but not pulling more than 9w so all rads are cold. What could be the problem and how can I solve this. Thanks for any help
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Discuss Pump is only 9w on highest setting in the Central Heating Forum area at Plumbers Forums
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Deleted member 123817
9w will pump nothing zero, should be - 14/20 watts, check pump valves open and vent pump if newly installed, recheck settings, can you post a link to that exact model please as I only have my steam driven old Iphone. Also ensure setting ISNT on Auto.
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New pump common issue with the alphas
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