The package includes precision-machined LP orifices

and blowers where petroleum-based lubricants may be present

Aftermarket plates often vary in thickness or mounting patterns

ensuring proper alignment with the drive shaft to eliminate binding and mechanical hysteresis

and guide pin assembly

Johnson Controls V-3966-1002 Valve R-410A The package includes precision-machined LPThe Johnson Controls V 3966 1002 is a heavy duty, two way brass pneumatic valve designed for high accuracy flow regulation in HVAC terminal units. Engineered for professionals handling fan coils and reheat coils, this 1 2" flare valve features a normally closed configuration to ensure system safety and efficiency during power or air signal loss. With a 3. 2 Cv flow coefficient and a precise 9 13 psi spring range, it provides stable throttling control