Product: ABD Line Upgrades
Description: These two products have been added to the automatic balancing damper (ABD) line. Model ABD-FD incorporates a UL 555 rated 1.5- or 3-hour static fire damper, flanged sleeve, an ABD, and an optional factory-supplied grille. The entire assembly is UL rated and approved and can be used in both supply and exhaust applications. Ceiling radiation damper CRD-1WT, UL classified for wood truss floor/ceiling assemblies, now has the option to add an ABD mounted in the plenum box. Pressure-independent ABDs are designed to maintain constant airflow volume in HVAC applications. The damper blade is calibrated to automatically adjust to changing pressures.
Contact: 715-359-6171, www.greenheck.com, eProduct 190
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