Confirm 24V power at the actuator

the Hoffman FT015H-4 provides continuous drainage and immediate air venting

allowing for seamless retrofitting in older panels

Engineered with aluminized steel to resist corrosion and thermal fatigue

What are the primary applications for the RB3-0178

iO HVAC Controls HD-MOTOR Damper Actuator 321894-706 Confirm 24V power at theThe iO HVAC Controls HD MOTOR is a robust 24V 2 wire actuator designed for professional grade reliability in residential and light commercial zoning systems. As a spring return normally closed motor, it provides a failsafe operation for fresh air dampers, ensuring the intake remains sealed when de energized to prevent unconditioned air infiltration. This motor is engineered as a direct, high performance replacement for the Honeywell M847D ZONE, as