iO HVAC Controls HD Series Rectangular Heavy-Duty Damper with Bypass Motor

iO HVAC Controls HD Series Rectangular Heavy-Duty Zone Dampers with Bypass Motor use a continuously modulating actuator so the damper can throttle to any intermediate position — ideal for pressure-relief bypass applications on multi-zone systems where excess static pressure must be bled off to a return trunk.

• Modulating bypass motor (not spring-return) — holds any intermediate position
• Rated for duct systems up to 2.0" WC
• Galvanized steel housing, single-blade design
• Three-wire modulating control signal
• 51 rectangular sizes from 8x6 up to 30x20
• Install in any orientation

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