Honeywell SPRD Regulating Damper, Static Pressure, 20 Inch x 8 Inch, Rectangle, Weighted Damper Arm Motor, Steel
- Counter balance weighted arm to control by-pass air for zoned systems
- Air pressure in duct system increases as zone dampers close, pushing the SPRD open automatically
- Arm and weight both adjustable to control amount of air bypassed
- Recommended for low pressure systems with less than 0.5 Inch WC
- 1200 cfm
- For larger systems and tighter pressure control, use MARD damper and static pressure controller
