Heavy Duty Pressure Switch Air Compressor Control Valve 140-175 PSI 4 Port 25 amp

Heavy-Duty 140-175 PSI 4-Port 25 Amp Air Compressor Pressure Switch 

Tired of dealing with pressure switches that melt, burn out, or just don’t last? This high-quality, heavy-duty 25 Amp air compressor pressure switch is the reliable upgrade you need. Built for durability and consistent performance, it supports operation on 115V, 230V, and 12V DC power—making it compatible with a wide range of compressors.

Product Features:

• Heavy-Duty Power Rating: Designed to handle up to 25 Amps at 115V, 230V, or 12V DC, this switch delivers dependable performance for both standard and high-amp compressors.

• Adjustable Pressure Settings: Factory set to cut in at 140 PSI and cut out at 175 PSI. Easily adjustable from as low as 60 PSI cut-in to a maximum 200 PSI cut-out, with up to a 15 PSI increase or a 80 PSI decrease from factory settings—customize it to your specific needs.

• 4-Port Manifold for Versatile Connections: This version features a 4-port design, allowing you to connect additional accessories such as a pressure relief valve, air gauge, or extra air outlets. This is especially useful for newer compressors, which may have fewer pre-drilled ports in the tank. The integrated manifold eliminates the need for extra fittings and helps keep your setup clean and efficient.

• Universal Compatibility: Works as a replacement for top brands like Furnas, Square D, Sunny, Lefoo, and others. As long as your pressure range matches or can be adjusted, this switch is a great universal option.

• Integrated On/Off Control: Includes a side-mounted manual on/off lever for quick and easy operation.

• Unloader Valve Ready: Equipped with a 1/4" compression port for unloader valve connection. Also includes a compression nut and ferrule for a secure, leak-free connection to your unloader line.

Ideal for High-Amp Compressors or Units Without a Magnetic Starter

Whether you're upgrading an older unit or need a dependable switch for a high-draw system, this 4-port pressure switch is a durable and flexible solution. Perfect for compressors operating without a magnetic starter or for setups needing multiple accessory connections.

Specifications:

• Pre-Set Cut-in Pressure: 140 PSI (adjustable)

• Pre-Set Cut-out Pressure: 175 PSI (adjustable)

• Minimum Cut-in Pressure: 60 PSI

• Maximum Cut-out Pressure: 200 PSI

• Power Rating: Max 25 Amps (115V, 230V, and 12–24V DC)

• Air Pressure Connection Ports: Four 1/4" female ports (multi-use manifold) Note: 1/4" NPT Measures approximately 1/2" in diameter.

• Unloader Valve Port: One 1/4" compression connection

• Includes: Compression nut and ferrule for secure unloader installation

Note: The unloader line does not need to be connected if your compressor is not equipped with one. Leaving it disconnected will not affect the electrical function of the switch.