The package includes precision-machined LP orifices

Aftermarket plates often vary in thickness or mounting patterns

While it fits many standard brackets

and blowers where petroleum-based lubricants may be present

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

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