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

eliminating the calibration risks associated with universal aftermarket components

and 3-ton Lennox units

Key Benefits for HVACR Applications Direct Replacement: Verified P499RAP-102 cross reference for the discontinued P399GAA-1 model

providing precise timing for purge and inter-purge cycles

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