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Compact SPDT Switch: Facilitates easy wiring for alarm circuits or secondary control functions upon pressure drop
the galvanized steel construction and temperature rating of up to 200°F make it suitable for standard gas furnace and electric heat air handlers
Engineered to fit precise furnace and air handler dimensions
protecting internal furnace components from premature wear
Siemens Building Technology ASK71.9 Crank Arm 326058-755 Compact SPDT Switch: Facilitates easyThe Siemens Building Technology ASK71. 9 Crank Arm is a heavy duty mechanical link designed for HVAC damper actuator retrofits and linear to rotary motion conversions. This universal crank arm provides a critical interface for damper shaft coupling in applications where direct ball joint connections are physically restricted or space constrained. Engineered to support Siemens OpenAir actuators, it fits damper shaft sizes ranging from 3 8 to 1 inch (9.