Page 17 of Ventilation Fans by Broan-NuTone

broan fans ­ utility through-wall fans · housing adjusts to fit walls from 4-1/2 ­ 9-1/2 thick · specially designed polymeric fan blade · built-in damper minimizes backdrafts for energy efficiency · paintable polymeric grilles · accessorize with wall switch or variable speed wall control vertical discharge · installs easily between ceiling joists · built-in backdraft damper · galvanized steel housing · strong steel mounting brackets with keyhole slots for fast installation model 512m · 6 through-wall · louvered exterior wall cap with built-in bird screen · 6 diameter flexible aluminum duct included model 504 shown · 10 vertical discharge · fits 10 round duct ­ use model 472 transition/damper available separately for 8 round duct performance will be reduced model 505 · 8 vertical discharge · 8-1/4 diameter housing model 508 · 10 through-wall model 509 and 509s · 8 through-wall · model 509s features an integral on/off rotary switch ­ no wall switch to wire model 12c motordor · 10 through-wall · separate motor opens and closes the vent door automatically ® model 673 · 6 vertical discharge · paintable spin-on white polymeric grille sizing specifications fits 5-1/2 ­ 9-7/8 thick walls fits 4-1/2 ­ 9-1/2 thick walls fits 4-1/2 ­ 9-1/2 thick walls 509s integral on/off rotary switch fits up to 5-1/8 thick walls fits 5-1/4 ­ 10 thick walls fits 10 round duct fits 8 round duct fits 6 round duct through-wall 12c motordor® 508 509/509s cfm 360 270 180 sones 8.0 6.0 6.5 3.5 3.5 6.5 6.5 4.5 diameter 10 10 8 6 6 10 8 6 model 512 · 6 room-to-room · use 57w or 57v variable speed control separately 512 90 512m 70 vertical discharge 504 350 505 180 673 60 17

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