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The Viair 40 amp air compressor pressure switch with 40A relay is a rugged and easy to install pressure switch that has a 40 amp relay built-in to increase longevity and decrease install time. This pressure switch will automatically turn your compressor on when the pressure in your air tank falls below a certain pressure and will automatically turn your compressor off when the pressure reaches max pressure, delivering a switch-free and worry-free onboard air experience.
The Viair pressure switch with 40A relay has been tested to last 10,000 cycles with proper maintenance and features clearly labeled lead wires with insulated 1⁄4” male push-to-connect terminals.
| Part # | Turn-Off Pressure | Restart Pressure |
| PS-105R | 105 PSI | 85 PSI |
| PS-120R | 120 PSI | 90 PSI |
| PS-150R | 150 PSI | 110 PSI |
| PS-200R | 200 PSI | 165 PSI |
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
United StatesProblems with my compressor not turning on after 2 years. Customer service helped troubleshoot and discovered it was a bad pressure switch. A $30 repair rather than a few hundred for a new compressor.
United StatesExcellent info on parts and quick shipping�
United StatesGood easy to install
United StatesGreat all the parts fit right and we're great to dealing with you guys the only thing is I wish you would make hoodies with the big truck on it
United StatesGreat c/s Great products
