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Grundfos circulation pump for heating is stuck - iFixit Repair Guide
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![Grundfos UPS2 15-50/60 Central Heating Pump Review [2023]](https://cdn.heatingforce.co.uk/wp-content/uploads/2022/02/Grundfos-UPS2-15-50-60-pump.jpg "Grundfos UPS2 15-50/60 Central Heating Pump Review [2023]")
Grundfos UPS2 15-50/60 Central Heating Pump Review [2023]
Correct installation of Grundfos pump? Bottom right is old UP15-18SU. Top left is new UP15-28SU. New one seems much noisier. Certainly not "whisper quiet". : r/Plumbing
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Best Central Heating Pump - Best Central Heating Pumps 2023
