Honeywell SPRD10 10" Round Static Pressure Regulating Damper

Product Features

• Counter-balanced weighted arm to control bypass 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 in. wc
• For larger systems and tighter pressure control, use MARD damper and static pressure controller (SPC)
• Additional weights available