The PD-1250 damper provides backdraft protection in light to medium duty applications that demand less than 12 cfm per square foot of leakage at 1/2 inch WG. The PD-1250 provides system relief when operational pressures exceed system defined maximum level.
Features and Benefits
Aluminum construction maintains a good-looking appearance.
Blades overlap frame, providing optimum resistance to weather.
Non-metallic blade-to-blade seal provides quiet operation during highest spot velocities.