The SID (Slip-In-Damper) is a user-friendly retrofit damper. With a single cut the SID can be installed in seconds. Due to it's 1.5VA actuator up to 20 SIDs can be controlled from a single EWC Controls zone panel with a 40VA transformer. The optional S1A end switch allows for increased flexibility. Available sizes are 4 - 5 -6 - 7 - 8 - 9 - 10.
Ultra-Zone™ Retro-Fit Slip-In Damper, 7 in Duct, Round, Domestic