Despite the negative comments of some, the pump is watertight, as long as you thoroughly fix the pipes on the pump and well put both sealing rings Tensioning the well bottom with a screwdriver.
When débale the pump, two caps (one on each connector) are provided. So after use, simply rotate a little vacuum to remove the oil in the pipe and then put caps on the exhaust. So, no worries for storage.
In short, perfect for the price, I highly recommend!
