9 RSD | 9 Inch Round Motorized Spring Return Damper | EWC Controls Subcategory_In-line Tee-Style Filters The SID damper can be

The SID damper can be installed in any logical position that allows future access

27X10 PVC REDUCING TEE SOCKET 125PIP

8X4 PVC CLAMP SADDLE DOUBLE OUTLET SOCKET FKM SS BL

6X3/4 PVC HOT TAP SADDLE EPDM S/S CUTTER

9 RSD | 9 Inch Round Motorized Spring Return Damper | EWC Controls Subcategory_In-line Tee-Style Filters The SID damper can be9 Inch Round Motorized Spring Return Damper Model RSD is a round single blade damper constructed from heavy (24) gauge galvanized steel. The 24 volt motor actuator is direct coupled to the drive shaft. It is a power closed spring open action. (standard). The damper can be field reversed to a power open spring closed action. The RSD has a double layered blade design with an integrated Poron foam gasket to provide a seal when the damper is in the closed