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McDonnell & Miller Series AF3 Air Flow Switches

• For general purpose low velocity applications where the most economical flow switch is desired
• Paddle fits 8″ (203mm) minimum duct size
• Two electrical knock-outs allow connection from either end
• Brass, steel and aluminum construction
• Single pole, double throw snap switch
• Sensitivity adjusting screw makes flow adjustment easy
• Can be equipped with a time delay relay
• Optional feature
– Two SPDT snap switches
• Minimum ambient temperature 32°F (0°C)
• Maximum duct temperature 275°F (135°C)

McDonnell & Miller Series AF3 Air Flow Switches

McDonnell & Miller Series AF3 Air Flow Switches provide continuous protection against a low water condition. Furthermore it satisfies pump control needs for commercial and industrial steam boilers.

If you need a different model other than those listed, please contact us at info@controlssupplychain.com.

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