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The IO HVAC CONTROLS RM-2408 is a rectangular zone damper designed for use in ducted HVAC zoning systems. It integrates a Belimo actuator with a 35-second stroke time and 3-wire control wiring, making it compatible with standard zone control boards and thermostats. The damper measures 24 inches wide by 8 inches in duct opening size and is built for reliable modulating or on/off airflow control within residential and light commercial duct systems. Licensed HVAC technicians typically install this damper as part of a multi-zone forced-air system to direct conditioned air to specific zones on demand.
This zone damper is suited for rectangular duct applications in residential and light commercial forced-air heating and cooling systems. It fits into zoning configurations where individual room or area control is required. The 3-wire Belimo actuator allows the damper to be driven open and closed by a zone control panel, enabling independent temperature management across multiple zones. Installers working with Rheem or compatible zoning equipment will find this a direct-fit option for 24x8 inch rectangular duct openings.
Designed as an OEM-style rectangular zone damper replacement for 24x8 inch duct openings in residential and light commercial forced-air zoning systems using 3-wire Belimo actuator control.
Installation should be performed by a licensed HVAC technician familiar with zoning systems and low-voltage control wiring. Power down the zone control panel and air handler before installing or wiring the damper. Ensure the duct opening matches the damper face size before securing the unit in place. Follow NEC guidelines for low-voltage wiring connections to the zone control board.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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