A labeled photo diagram of an air compressor, with arrows pointing to the hose connectors, pressure adjustment knob, pressure gauges, pump, motor, air tank, and drain valve.

Unlock the potential of a used refrigerator and fire extinguisher by turning them into a powerful air compressor. This ...

When we purchased our 26-gallon air compressor, we knew it would have to be occasionally drained of condensation. But draining the tank with the OEM stopcock was a pain and a better device was needed.