Honeywell 312817AA Actuator Freon Ground-Free Design: The specialized switch-grade

Ground-Free Design: The specialized switch-grade plastic frame removes the need for grounding

Proper installation restores factory-spec static pressure and prevents hazardous byproduct leakage into the cabinet

a feedback arm

30" WC to ensure exact inducer motor vacuum detection

Key Benefits Precision Fit: Specifically die-cut for 4-inch Spence Type E valves to ensure zero-leak performance on Cast Iron and Steel bodies

Honeywell 312817AA Actuator Freon Ground-Free Design: The specialized switch-gradeThe 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