If you ever need a big pump to move water or air, it's not too hard to make your own with PVC pipe. The video above ... is a couple of one-way check valves that King Of Random previously showed ...

But not [truebassB], instead he built his own air pump from first principles (YouTube, embedded below) using PVC pipe ... A couple of ball check valves are used for air input and output.

The pump has a vertical pipe connecting it to the main outtake pipe leading to the sewer. There is a brass check valve in the connector. When it starts up, I hear hmmmm, then HMMMMMMM, and then a ...

Wondering how to make a hand pump water well? Make a homemade PVC manual deep well water pump, that pumps water as deep as 60 feet, in case you’re experiencing any power outages. After several ...