Dreyoo Air Compressor Pressure Switch, 90-120 PSI, 4 Port Plug Fitting Kit — Open-Box, 18% Off

High Performance Safety Protection: this air compressor pressure switch is rated for 90-120 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 90 psi and turns off at 120 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 90-120PSI 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

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 90-120 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 Switch

Color: Black

Rated current: 20A

Pressure range: 90-120 PSI

Size: 2.25 x 2.27 x 3.55 inches

Safety Valve

Color: Yellow

Material: Brass

Maximum relief pressure: 200 PSI

Size: 0.47 x 1.57 inches

Pressure Gauge

Color: Silver

Interface size: 1/4 inch thread

Measuring range: 0–200 PSI

Diameter: 2 inches

Package includes:

1 x Pressure switch

1 x Safety valve

1 x Pressure gauge

2 x Thread Pipe Plug

2 x 1/4" x 1/4" Male Pipe

1 x Hex Wrench

1 x Tape

Notes:

Before purchasing, please confirm the current specifications, and 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.