iO HVAC Controls D-Z1 Series Rectangular Zone Damper with Bypass Motor

The iO HVAC Controls D-Z1 Series rectangular bypass damper protects your HVAC system by relieving excess static pressure when zones close, keeping airflow balanced and your equipment running safely. Ideal for residential and light-commercial HVAC zoning, it prevents noisy ducts and premature wear for quiet, dependable multi-zone comfort.

Why Choose the D-Z1 Series

• Protects your system — relieves excess static pressure when zones close to prevent noise and premature wear.
• Keeps airflow balanced — maintains steady, efficient operation across every zone.
• Built to last — durable galvanized-steel housing for quiet, dependable performance season after season.

Specifications

• Actuator Type: Modulating
• Actuator Voltage: 24V
• Wiring: 3-Wire
• Max Static Pressure: 1.0" WC
• Blade Design: Single-Blade
• Compatible Panels: ESP-400, iO-SPC, Saturn UCC

Ideal For

Zoned HVAC systems that need reliable static-pressure relief to protect equipment and keep ducts quiet.