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    Air Compressor Pressure Switch, 135-175 PSI, 4-Port Plug Fitting Kit

    • High Performance Safety Protection: this air compressor pressure switch is rated for 135-175 PSI, features 4 ports, a 20 A rating, and operates on a 110-120V current; It is equipped with a 200 PSI brass safety valve and a 0-200 PSI pressure gauge; It turns on the compressor at 135 psi and turns off at 175 psi, eliminating the risk of overload and providing safe and stable start stop control
    • Four Ports Design, Universal Npt 1/4" Interface: the air pressure switch features four 1/4 inch NPT female threaded interfaces, which are compatible with a variety of pneumatic components, including pressure gauges, safety valves, and air outlets; It offers flexible installation and easy expansion; The 1/4" interface is suitable for most two stage and single-stage air compressors or DIY pneumatic systems
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    Precise Pressure Regulation with
    Flexible Adjustment: This 4 port pressure switch is factory preset to 135175 PSI and can be fine tuned using the red lever to adjust the cut in/cut out pressure. It is equipped with a 0200 PSI calibrated pressure gauge with a reading error of less than ±3%, enabling real-time monitoring of pressure changes and preventing errors
    Excellent Quality,
    Stable and Durable: our control switches feature a high strength plastic housing and alloy base, with safety valves made from brass material; They are corrosion resistant and age resistant, capable of repeated use, ensuring stable operation even under long time high frequency use
    Complete Kit for Quick Installation: Includes a pressure switch, gauge, unloading valve, and plug & fitting kit. Plug and playinstallation in 5 minutes. Plugs seal unused ports, fittings extend or connect pipes, and the hex wrench ensures easy setup. Perfect for professional or DIY air compressor and water pump maintenance

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