Nutone Radiation Damper 50CFM Heavy Duty Blower with Metal Grille

$66.66
Free Shipping, Authorized Dealer

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Pricing Information:: $66.66
Brand:: Nutone
Shipping Details:: Free Shipping, Authorized Dealer
Category:: Fans
Product Description:: Housings and finishes motor assembly and grille sold separately in units of four per carton - purchase housings for rough-in and blower assemblies/grilles later for finishing UL classified UL standard 555C for use in 1- 2- or 3-hour fire-rated floor-ceiling and roof-ceiling designs Warnock Hersey Listing allows use in combustible ceilings with ducted fans High temperature non-asbestos reinforced fiber thermal fabric Galvanized steel frame 212°F fusible link Stainless steel negator-type closure spring Available from 50 CFM to 110 CFM Radiation damper comes attached to housing Blower assembly will fit into housing without the removal of the radiation damper - one less step in installation process Many local codes require that exhaust fans installed in fire-rated ceilings must be protected by dampers which in case of fire protect against the spread of heat and flame Being fire-rated means the ability of a wall floor/ceiling or roof/ceiling to withstand the effects of fire for a specified period of time NuTone ceiling radiation dampers are designed to protect the openings in 1- 2- or 3-hour fire-rated floor-ceiling and roof-ceiling designs When the temperature of the air passing through the damper exceeds 212°F the fusible link melts and the thermal fabric across the damper closes automatically to interrupt the airflow by becoming a flame and heat barrier preventing rapid spread of fire to other areas

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