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Slurry Submersible Sump Pump Submerged Submersible Water Pump Price - China Mining Slurry Pump, Vertical Pump | Made-in-China.com
![What is this bolt for? Priming the pump? Submersible sump pump hums when plugged in but isn't moving water. The online manual doesn't mention priming or oil maintenance. Every online source says What is this bolt for? Priming the pump? Submersible sump pump hums when plugged in but isn't moving water. The online manual doesn't mention priming or oil maintenance. Every online source says](https://preview.redd.it/t2zt520q2dl71.jpg?auto=webp&s=004b54a491e941211b59924d36dcbd47380869e5)
What is this bolt for? Priming the pump? Submersible sump pump hums when plugged in but isn't moving water. The online manual doesn't mention priming or oil maintenance. Every online source says
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Sump Pump, Prostormer 1HP 3700GPH Submersible Clean/Dirty Water Pump with Automatic Float Switch for Pool, Pond,Garden, Flooded Cellar, Aquarium and Irrigation (Orange) - Amazon.com
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