The Model AFS-271 is a general purpose proving switch designed for HVAC and Energy Management applications. It may be used to sense positive, negative, or differential air pressure.
Q: My l.b.white barn dryer burner starts cycling gas flow on and off after a few minutes of run time and this unit clicks is it the cause or could something else be?
Asked by Tom in Michigan! 12 years ago
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Verified Reply- Supplyhouse Staff
yes the unit will click when it engages or disengages.
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