Honeywell MP516A1087 Damper Actuator 320734-701 a different OEM part number

a different OEM part number must be used to ensure correct orifice sizing and pressure regulation

The HK05ZG019 is the official engineering update for the obsolete HK05ZG010 pressure transducer

cross-referencing the unit model number is mandatory to ensure a proper seal and prevent bypass

It requires a valid input from the ambient sensor and coil sensor to determine if frost accumulation justifies a cycle

it is recommended to mount the valve with the solenoid upright and vertical

Honeywell MP516A1087 Damper Actuator 320734-701 a different OEM part numberThe Honeywell MP516A1087 Pneumatic Unit Ventilator Damper Actuator is a heavy duty, rolling diaphragm actuator designed for proportional control of unit ventilator dampers. Engineered for reliability in institutional HVAC systems, this spring return pneumatic actuator features an 11 square inch effective diaphragm area and a versatile 2 1 8 to 2 1 2 inch stroke length. It operates on a 3 12 PSI spring range with a specific hesitation sequence: the