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Fusible Link - UL listed link, 212°F (100°C) standard |
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Damper Frame - 22 gauge (0.85) G60 galvanized steel |
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Plenum Housing - Minimum 26 gauge (.55mm) for uninsulated assemblies or 28 gauge (.47mm) for insulated assemblies, with round connection collar |
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Flexible Air Duct Connection - UL Classification Class 0 or 1 (by others) |
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R-6.3 Duct Liner - Models 505RD, 507RD and 509 |
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Plaster Flange - Standard grille clearance is 2.5" (64mm) minimum from radiation damper closing |
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| Alignment Indicators - Our unique pre-marked alignment indicators make installation easy. They are set to accept 16 gauge rails that attach to the ceiling truss |
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Damper Assembly - Our damper assemblies are built through our exclusive partnership with Manufactured Air Products, a subsidiary of Nailor Industries, one of the most trusted names in ceiling radiation and fire dampers.
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