Featuring a 6-inch insertion length

Always verify static pressure and airflow before assuming the switch is defective

For proper motor rotation and torque

typically needed for LP applications

What is the purpose of a 180-second delay on this relay

Belimo AV6-20 Shaft extension Featuring a 6-inch insertion lengthThe Belimo AV6 20 is a heavy duty shaft extension 170 mm designed for professional HVAC mechanical installations where the standard damper shaft length is insufficient for actuator mounting. This accessory provides a critical 6. 7 inch extension, making it indispensable for deep set dampers or applications with thick insulation. Crafted from galvanized steel, the AV6 20 is engineered to withstand high torque environments without slipping or losing