McDonnell & Miller 123400 AF3 Air Flow Switch Low Velocity

Product Description

McDonnell & Miller's model number 123400 is a low velocity air flow switch designed for general purpose applications. This switch operates at 120 volts and features a single pole, double throw configuration. It is suitable for duct sizes of eight inches, but the paddle can be trimmed to fit six inches if necessary. The maximum operational temperature of this switch is three hundred seventy-five degrees Fahrenheit, making it effective for various heating and ventilation tasks. A sensitivity screw allows for easy adjustments to the air flow, making it versatile for trade professionals.

• Brass paddle fits 8 inches duct, can be trimmed for 6 inches
• Designed for maximum air flow of twelve hundred feet per minute
• Control mounting options are horizontal and vertical

Product Highlights

This air flow switch is ideal for HVAC and plumbing professionals needing a reliable device for flow detection.

Product Information

Standard Information

• Brand: McDonnell & Miller
• Model: AF3

Technical Specifications

• MPN: 123400
• Voltage: 120V, 240V
• Application: Air Flow
• Paddle Length: 7-1/8 inches
• Main Construction: Brass, steel, aluminum
• Max Air Flow: 1200 fpm
• Min Ambient Temp: 32 degrees Fahrenheit
• Max Ambient Temp: 120 degrees Fahrenheit
• Max Duct Temp: 275 degrees Fahrenheit
• Control Mounting: Horizontal, Vertical
• Weight: 1.70 lbs