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Zonefirst
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- Brand: ZonefirstSeries: SPRD
- This barometric by-pass damper is a single blade, counter balanced weighted damper that operates on air pressure in order to control the flow of by-pass air. The SPRD has an adjustable arm and weight to maintain the correct amount of pressure in the duct system.
- 5 to 95% non-condensing humidity
- Zonefirst Static Pressure Regulating By-Pass Damper, Series: SPRD, 10 in Dia Damper, Round, 22 ga, Single Blade, Steel, Galvanized, Domestic