EWC Controls PRD 10" Pressure Regulating Damper Els PW 17895 which must match the motor's

which must match the motor's directional output to move air correctly

While it provides the mounting point

When paired with an AG series actuator

preventing potential HVAC system failures or lockout conditions

EWC Controls PRD 10" Pressure Regulating Damper Els PW 17895 which must match the motor'sEWC Controls PRD 10" Pressure Regulating Damper Made in USA. Model PRD RD pressure regulating damper is a single blade, round variation of a barometric relief damper. This is the simplest, most economical way of bypassing excess static pressure in multi zone applications. Resistance is controlled by offsetting the arm and adjusting the weights. The arm can be inserted into either side of the damper for added versatility.