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|CFM (High) to Sones||80 to 2.5|
|Country Of Origin||USA|
|Duct Size||4" Round|
|Grille Finish||White Acrylic Metal|
|Made in America||Yes|
|UL Rating||Damp Location|
80Cfm Blower With Metal Grille - Model 80Rdb
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 165°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.
- 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
- 165°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
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Our SKU: 80RDB
This product is listed under the following manufacturer number(s):
*Denotes a finish or option that has been discontinued
One Year Limited Warranty
Broan-NuTone warrants to the original consumer purchaser of its products that such products will be free from defects in materials or workmanship for a period of one year from the date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During this one-year period, Broan-NuTone will, at its option, repair or replace, without charge, any product or part which is found to be defective under normal use and service.THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS AND TUBES. This warranty does not cover (a) normal maintenance and service or (b) any products or parts which have been subject to misuse, negligence, accident, improper maintenance or repair (other than by Broan-NuTone), faulty installation or installation contrary to recommended installation instructions.
The duration of an implied warranty is limited to the one-year period as specified for the express warranty. Some states do not allow limitation on how long an implied warranty lasts, so the above limitation may not apply to you.
BROAN-NUTONE'S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE'S OPTION, SHALL BE THE PURCHASER'S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. BROAN-NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. This warranty supersedes all prior warranties.
To qualify for warranty service, you must (a) notify Broan-NuTone at the address telephone number below, (b) give the model number and part identification and (c) describe the nature of any defect in the product or part. At the time of requesting warranty service, you must present evidence of the original purchase date.
Broan-NuTone LLC, 926 West State Street, Hartford, WI 53027 (1-800-637-1453)