Dreyoo Air Compressor Pressure Switch 135-175 4-Port 20 Amp with 0-200 PSI Gauge, 200 PSI Safety Relief Valve, with Plug & Fitting Kit, 1/4" NPT Replacement Pressure Switch Parts for Air Compressor

Why choose our air compressor parts? ✓Combination product - The set includes a pressure switch, pressure gauge, safety valve, and plug & fitting kit, providing a one stop solution for installation and maintenance. ✓Reliable quality - Made from selected high strength materials for durability. ✓High performance - Rated at 20A, suitable for 110–120V power supply. ✓Compatibility - Equipped with a standard 1/4" NPT four hole interface, compatible with various air compressors. ✓Accurate Pressure - Pre set start/stop range of 135–175 PSI, with a calibrated dial for clear readings. ✓Safety Assurance - Features a 200 PSI safety valve for automatic pressure relief and overload protection. ✓Easy to Use - Four port design for plug and play convenience. Specifications: Pressure SwitchColor: BlackRated current: 20APressure range: 135–175 PSISize: 2.25 x 2.27 x 3.55 inchesSafety ValveColor: YellowMaterial: BrassMaximum relief pressure: 200 PSISize: 0.47 x 1.57 inchesPressure GaugeColor: SilverInterface size: 1/4 inch threadMeasuring range: 0–200 PSIDiameter: 2 inchesPackage includes: 1 x Pressure switch1 x Safety valve1 x Pressure gauge2 x Thread Pipe Plug2 x 1/4" x 1/4" Male Pipe1 x Hex Wrench1 x TapeNotes: Before purchasing, please confirm the current specifications, interface dimensions, and check whether the pressure range matches. Be sure to turn off the power when installing or replacing equipment to ensure personal safety. It is recommended to check the switch operation, safety valve release, and pressure gauge reading accuracy every 3-6 months.

• 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
• Precise Pressure Regulation with Flexible Adjustment: This 4 port pressure switch is factory preset to 135–175 PSI and can be fine tuned using the red lever to adjust the cut in/cut out pressure. It is equipped with a 0–200 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 play—installation 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