Precise Low-Flow Control: The rubber seat poppet design ensures sensitive and accurate regulation for pilot load applications and small burner cycles

Thermal Stability: Capable of maintaining structural integrity across a wide range of industrial operating temperatures

Efficient Power Draw: 1/20 HP motor optimized for low amperage consumption while maintaining consistent 3000 RPM operation

While the 3/4 HP rating offers more power

engineered for high-performance gas regulation in Modine unit heaters and HVAC systems

Cleveland Controls AFS-477 Sensing Switch mario Precise Low-Flow Control: The rubberThe Cleveland Controls AFS 477 Air Pressure Sensing Switch is an industrial grade proving switch designed for HVAC, Energy Management, and DDC (Direct Digital Control) systems. This differential air pressure switch features gold plated contacts, making it the preferred choice for low ampere circuits and computer controlled environments where high conductivity and signal integrity are paramount. With a field adjustable set point range of 0. 05" w. c.