Dwyer Series 391/393/394 are liquid level controls designed to automatically monitor and maintain liquid levels within a specified range. With their magnetic float switch operation, these controls provide reliable and precise level detection for various applications.

Key Features and Capabilities:

• Single-stage operation: Switches actuate at a single predetermined level.
• Adjustable operating point: Allows customization of the desired liquid level for switch activation.
• Manual reset: Provides control over the switch reset process, ensuring precise level maintenance.
• Versatile mounting: Can be mounted vertically to suit different tank or vessel configurations.