iO HVAC Controls ZD Series Round Zone Damper

iO HVAC Controls ZD Series Round Zone Dampers are the economical choice for residential and light-commercial multi-zone systems. Each damper features a galvanized steel housing, single-blade construction, and a 24V spring-return actuator shipped ready for installation.

• Rated for duct systems up to 1.0" WC
• 24V spring-return actuator (power-open / spring-close)
• Galvanized steel housing
• Two-wire control from standard zoning panels
• Available in 4" through 20" round diameters
• Install in any orientation

Pair with any iO HVAC Controls ESP, ZP, or Saturn series zone panel for a complete multi-zone comfort system.