Specification Sheet

471
MODEL RLX
LOUVERED PENTHOUSE
Throat
Size
A x B
CFM at SP = 0.05
Number of Tiers and Height in Inches (C)
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
10.5 14 17.5 21 24.5 28 31.5 35 38.5 42 45.5 49 52.5 56 59.5 63 66.5 70
60x60 - - - 11225 12280 13149 13863 14452 14940 15346 15686 15972 16215 16422 16600 16753 16887 17003
60x66 - - - - 13113 14090 14902 15577 16141 16613 17010 17346 17633 17878 18089 18272 18431 18570
60x72 - - - - - 15005 15914 16675 17314 17853 18309 18696 19028 19312 19558 19772 19958 20121
60x80 - - - - - - 17227 18102 18843 19471 20006 20464 20857 21196 21490 21745 21969 22166
60x84 - - - - - - 17872 18803 19594 20268 20843 21336 21760 22126 22445 22722
22965 23179
60x96 - - - - - - - 20863 21805 22614 23310 23910 24429 24881 25274 25619 25922 26189
60x108 - - - - - - - - 23964 24908 25725 26433 27050 27588 28059 28472 28837 29160
60x120 - - - - - - - - - 27161 28099 28916 29631 30256 30806 31290 31719 32099
60x144 - - - - - - - - - 31577 32756 33792 34703 35506 36216 36845 37403 37901
66x66 - - - - - 15064 15983 16755 17404 17952 18415 18810 19147 19438 19688 19906 20096 20263
66x72 - - - - - - 17033 17901 18635 19259 19790 20244 20634 20971 21263 21517 21739 21935
66x80 - - - - - - - 19387 20235 20960 21582 22117 22579 22979 23328 23632 23899
24135
66x84 - - - - - - - 20114 21019 21796 22463 23039 23537 23970 24347 24677 24968 25224
66x96 - - - - - - - - 23322 24251 25056 25755 26363 26895 27361 27771 28132 28452
66x108 - - - - - - - - - 26643 27585 28409 29129 29762 30318 30809 31244 31630
66x120 - - - - - - - - - 28988 30067 31014 31847 32581 33230 33804 34314 34768
66x144 - - - - - - - - - 33571 34921 36115 37174 38113 38948 39691 40355 40949
72x72 - - - - - 16977 18117 19090 19919 20628 21235 21757 22208 22598 22937 23234 23494 23723
72x80 - - - - - - - 20627 21582 22405 23114 23728 24260 24723 25128 25483 25795 26072
72x84 - - - - - - - 21379 22396 23275 24036 24696 25269 25770 26208 26593 26932 27232
72x96 - - - - - - - - 24780 25827 26741 27540 28239 28853 29393 29870 30292 30667
72x108 - - - - - - - - 27093 28307 29374 30312 31137 31866 32510 33081 33588 34040
72x120 - - - - - - - - 29354 30732 31950 33026 33979 34823 35572 36238 36833 37364
72x144 - - - - - - - - 33761 35460 36975 38327 39532 40607 41569 42429 43201 43894
84x84 - - - - - - - 23798 25035 26117 27063 27892 28619 29258 29822 30320 30762 31155
84x96 - - - - - - - - - 28836 29966 30964 31845 32626 33318 33934 34482 34972
84x108
- - - - - - - - - 31464 32774 33939 34976 35898 36721 37455 38113 38702
84x120 - - - - - - - - - - 35509 36840 38030 39094 40048 40903 41671 42362
84x144 - - - - - - - - - - 40819 42475 43968 45315 46530 47627 48619 49516
Gravity Relief & Intake Cont.
Penthouse wider than 90" will ship in pieces.
Assembly instructions and fasteners are included.
Dampers & Insect Screens - Add .10 to area shown in tables.
Selection to the right of the divider are suitable for intake (Perimeter Velocity 600 fpm of less)