iO HVAC Controls CD-3212 32 X 12 Carrier/Bryant Rectangular Zone Damper - Belimo 3 Wire ActuatoriO HVAC Controls CD 3212 ACTUATORS ARE INSTALLED ON 2ND DIMENSION 32 x 12 Carrier Bryant Rectangular Zone Damper Belimo 3 Wire Actuator 32 x 12 Carrier Bryant Compatible Zone Damper Belimo 3 wire 15 second actuator, compatible with Carrier Infinity and Bryant Evolution Systems, 24V Actuator 10 YEAR WARRANTY Additional Information Item NumberCD 3212 BrandiO HVAC Controls