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12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U
165° replaceable fusible link
PERFORMANCE DATA 845 Series Engineering/Performance Data
Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws
Standard Features * Gang-operated opposed blade radial volume control damper for use with RD Series Round Diffusers * Available in 2" increments from 6"-24"
Round Ceiling Diffuser RD-20 Commercial 12" and 14") * HVDRD Round Ceiling Diffuser Standard Features Uniform 360 degree discharge pattern 2 position adjustment for heating and cooling seasons To adjust diffuser, remove the two center cones as a unit and reposition the six screws Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser Available in even sizes 6" to 20" and 24" 3 4" round collar White SUBMITTALS RD Series Submittal PERFORMANCE
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