United Electric Controls H122-S134B Pressure / Vacuum Switch 30Hg Vac to 20 PSI Set Point Range 1/2NPT 316L SS

Description:

The United Electric H122-S134B Pressure Switch is an adjustable electromechanical pressure and vacuum switch used for monitoring and controlling pressure conditions in industrial process, pneumatic, hydraulic, and utility systems. Commonly installed in compressors, pumps, process equipment, HVAC systems, and industrial control panels requiring reliable pressure and vacuum sensing. Maintenance technicians, plant engineers, and system integrators use this switch for replacement, retrofit, expansion, and maintenance of pressure control systems.

Applications:

The United Electric Controls H122-S134B Pressure Switch is designed for pressure and vacuum monitoring in air compressors, pump control systems, process automation equipment, hydraulic power units, water treatment facilities, HVAC installations, and industrial manufacturing systems. The switch provides dependable actuation at user-adjustable set points to initiate alarms, start or stop equipment, or trigger control sequences based on system pressure conditions.

Technical Specifications:

• Brand: United Electric Controls
• Part Number: H122-S134B
• Product Type: Pressure / Vacuum Switch
• Pressure Range: 30 in. Hg Vacuum to 20 PSI
• Adjustable Set Point Range: Vacuum to Positive Pressure
• Process Connection Size: 1/2 in. NPT
• Wetted Material: 316L Stainless Steel
• Switch Type: Electromechanical Pressure Switch
• Function: Pressure and Vacuum Monitoring
• Electrical Output: SPDT Snap-Acting Switch Contacts
• Application: Industrial Process and Equipment Control
• Suitable for Pneumatic, Hydraulic, and Utility Systems
• Designed for Industrial Automation and Safety Applications
• Intended for OEM Equipment and Replacement Installations
• Engineered for Continuous-Duty Industrial Operation
• Compatible with Compressor, Pump, and Process Control Systems

Common Replacements:

• United Electric H122-S140B Pressure Switch
• United Electric H100 Series Pressure Switch
• United Electric J120-S134B Pressure Switch