Quick Answer
To winterize a jet pump, first, drain the water from the pump and pipes, then add antifreeze to prevent freezing. Next, inspect and replace any worn or damaged parts to ensure proper function and safety.
Draining the Water
Drain the water from the pump and pipes by closing the main shut-off valve and opening the drain valves on the pump and pipes. Allow the system to drain completely, then replace the drain valves and shut off the drain valves. Remove any suction-side check valves to allow the system to drain more efficiently. If draining from a well, ensure the well casing is open to allow air to enter the well.
Inspecting and Repairing the Pump
Inspect the pump for any damage or wear, including the seals, O-rings, and gaskets. Replace any damaged or worn parts to prevent leaks and ensure proper function. Check the pump’s winterization kit for any specific instructions or recommendations. Typically, a winterization kit will include antifreeze and a primer to help remove any air from the system.
Adding Antifreeze and Primer
Add antifreeze to the pump and pipes according to the manufacturer’s instructions, usually 50-60% antifreeze with 40-50% water. Use a primer to help remove any air from the system, following the manufacturer’s instructions for the recommended amount of primer to add. Make sure the system is pressurized to the recommended level before closing the main shut-off valve.
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