Industrial 602721 Pressure Switch

Description:

The Thomas Air-Pac 602721 Pressure Switch 4-Port is used to automatically control the start and stop operation of air compressors by monitoring system pressure. Commonly installed on Thomas Air-Pac T2820-ST Series air compressors, industrial compressed air systems, service shop compressors, and pneumatic equipment, this four-port mechanical pressure switch provides dependable compressor pressure regulation while allowing connections for an unloader valve, pressure gauge, safety valve, and air tank. Maintenance technicians and compressor service professionals use this pressure switch for repairs, retrofits, and replacement of worn or failed compressor pressure controls. 

Applications:

The Thomas Air-Pac 602721 is specifically designed as a replacement pressure switch for T2820-ST Series air compressors. Its four-port configuration simplifies installation by accommodating multiple system connections while providing automatic compressor cut-in and cut-out operation. It is suitable for industrial air compressors, workshop compressors, manufacturing facilities, pneumatic systems, and OEM compressor packages requiring reliable pressure control and compressor protection.

Technical Specifications:

• Manufacturer Part Number (MPN): 602721
• Brand: Thomas Air-Pac
• Product Type: Air Compressor Pressure Switch
• Compatible Series: T2820-ST Series Air Compressors
• Configuration: Four-Port Pressure Switch
• Number of Ports: 4
• Port Size: 1/4 in. Female NPT (typical four-port configuration)
• Manual Control: On/Off Lever
• Function: Automatic Compressor Cut-In / Cut-Out Control
• Compatible Media: Compressed Air
• Mounting Style: Direct Tank or Manifold Mount
• Connection Ports: Tank Pressure, Safety Valve, Pressure Gauge, Air Outlet/Accessory Port
• Features: Four-port manifold design, manual on/off control, compressor motor switching, replacement service part
• Typical Applications: Industrial Air Compressors, Workshop Compressors, Pneumatic Systems, Manufacturing Equipment, Compressed Air Installations, OEM Compressor Packages

Common Replacements:

• Thomas Air-Pac 602518
• Thomas Air-Pac 602266
• Thomas Air-Pac 69JF7LY