If you need a pressure switch that can take whatever mother nature can dish out, there is no better option than our 110-150 PSI Weatherproof Pressure Switch With 40A Relay! Our pressure switch features a 40 amp relay built and encased in a weatherproof coating, allowing for an incredibly easy install and worry-free operation of your onboard air system. When the pressure in your air tank drops below 110 PSI this pressure switch will automatically activate your compressor and automatically shut it off when the air pressure reaches 150 PSI.

• High Accuracy
• Moisture Resistant
• 1/4" NPT