![Does anyone know what the purpose of that hole on my air compressor is? It is leaking air. : r/Tools Does anyone know what the purpose of that hole on my air compressor is? It is leaking air. : r/Tools](https://i.redd.it/q3mck4xnk0s51.jpg)
Does anyone know what the purpose of that hole on my air compressor is? It is leaking air. : r/Tools
![Preciva Air Compressor Pressure Regulator with Dial Gauge, 0-175 PSI Air Gauge for Air Compressor and Air Tools (Four Way Valve) - Amazon.com Preciva Air Compressor Pressure Regulator with Dial Gauge, 0-175 PSI Air Gauge for Air Compressor and Air Tools (Four Way Valve) - Amazon.com](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/618lIY-q2jL._AC_UF894,1000_QL80_.jpg)
Preciva Air Compressor Pressure Regulator with Dial Gauge, 0-175 PSI Air Gauge for Air Compressor and Air Tools (Four Way Valve) - Amazon.com
![California Air Tools - The Largest Manufacture of Ultra Quiet, Oil-Free & Lightweight Air Compressors - Air Leaks California Air Tools - The Largest Manufacture of Ultra Quiet, Oil-Free & Lightweight Air Compressors - Air Leaks](https://www.californiaairtools.com/s/cc_images/teaserbox_4111738065.jpg?t=1690494243)
California Air Tools - The Largest Manufacture of Ultra Quiet, Oil-Free & Lightweight Air Compressors - Air Leaks
![Amazon.com: QWORK Air Compressor Pressure Switch Control Valve, 90-120PSI Pressure Regulator with Pressure Gauges Fittings Set : Industrial & Scientific Amazon.com: QWORK Air Compressor Pressure Switch Control Valve, 90-120PSI Pressure Regulator with Pressure Gauges Fittings Set : Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61-ce5487RL.jpg)