Description
ZoneFirst RDP-14 14″ Round Zone Damper Overview
The ZoneFirst RDP-14 is a 14-inch round zone damper engineered for reliable, precise airflow control in residential and light commercial HVAC zoning systems. Designed for straightforward integration into round ductwork, this damper arrives as a complete, ready-to-install assembly — including the MP12M modular motor and the PIW25 25-foot modular cord — so you have everything needed to get your zoning system up and running without sourcing additional components.
Power Open / Power Closed Operation
The RDP-14 operates on a 12Vdc power open/power closed (POPC) control signal, meaning the motor actively drives the damper blade to both the open and closed positions. This positive-action design ensures the damper responds quickly and definitively to zone control commands, eliminating the uncertainty of spring-return mechanisms and providing dependable airflow shutoff when a zone is satisfied.
Key Features
- 14-inch round damper for standard round duct applications
- 12Vdc power open / power closed (POPC) operation for positive blade positioning
- Includes MP12M modular motor for easy installation and field replacement
- Includes PIW25 25-foot modular cord for flexible wiring runs to the zone control panel
- Modular motor design simplifies maintenance and motor swaps without removing the damper from the duct
- Compatible with ZoneFirst zone control panels and other 12Vdc POPC zoning systems
- Suitable for residential and light commercial HVAC zoning applications
Included Components
- RDP-14 14″ round damper body
- MP12M modular 12Vdc power open/power closed motor
- PIW25 25-foot modular interconnect cord
Applications
The ZoneFirst RDP-14 is ideal for multi-zone forced-air HVAC systems where individual room or area temperature control is required. Its 14-inch round form factor fits standard round trunk and branch duct configurations, making it a versatile choice for new construction and retrofit zoning projects alike.
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