Honeywell 312817AA Actuator Freon while the universal mounting footprint

while the universal mounting footprint ensures straightforward field replacement of legacy 42 Series or Centurion 2000 units

External equalization ensures accurate superheat sensing by compensating for pressure drops across the evaporator

and various industrial oils

eliminating the calibration risks associated with universal aftermarket components

Honeywell 312817AA Actuator Freon while the universal mounting footprintThe Honeywell 312817AA Actuator is a field proven pneumatic solution engineered for the proportional control of VP512A Series unit ventilator valves. This pneumatic valve actuator assembly features a 3 8 psi spring range and a precise 1 2 inch stroke, making it the industry standard for managing steam and hot water coils in commercial HVAC systems. Designed with a high strength aluminum housing and a resilient Buna N diaphragm, the 312817AA is built