Honeywell MP516A1087 Damper Actuator 321894-709 this limit control integrates seamlessly

this limit control integrates seamlessly into the furnace’s formal safety string

000V transformer is failing

provided the system operating pressures fall within the 7 to 150 Psi range

the switching point is fully adjustable across the entire rotation range of 0 to 100%

Honeywell MP516A1087 Damper Actuator 321894-709 this limit control integrates seamlesslyThe 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