Nutone QTXEN User Manual download pdf (Page 15)

NuTone Ventilation Fans

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Heavy Duty/Radiation Dampers

Model CFM Sones Notes

RDA – – Housing four-pack

80RDB 80 2.5 Finishing four-pack

110RDB 110 4.0 Finishing four-pack

HD50RDB 50 1.5 Finishing four-pack

HD80RDB 80 2.5 Finishing four-pack

For heavy-duty ventilation,

NuTone has powerful solutions.

Heavy-duty ventilation fans are

ideal for high-traffic bathrooms

including light commercial

installations and offices where

operation continues throughout the

day. These hard-working, quiet fans

feature sealed, long-life bearings

that never require lubrication.

Durable, enameled metal grilles are

easy to clean and resist breakage.

• Durable, quiet, centrifugal blower wheel

• Totally enclosed motor design

for continuous operation

• Lasts up to three times longer than

residential units

• UL Listed for use over tub or shower

when installed in a GFCI protected

branch circuit

HD80NT and HD50NT Features

Model HD80NT & HD50NT

Model CFM Sones Notes

HD50NT* 50 1.5 Heavy-duty motor

HD80NT 80 2.5 Heavy-duty motor

*Energy Star qualified.

15

Project Housing Pack includes:

Rough-in housing with attached •

radiation/fire damper

Adjustable hanger bars that span •

up to 24"

4" metal duct connector with damper•

Model

RDA

A fire resistant screen automatically

closes when excessive heat is detected. The

breakaway fusible link triggers the closing

of the radiation damper’s fire resistant

screen to prevent smoke and fire from

traveling through the ductwork.

Radiation/Fire Damper Fan Project Packs

Models 80RDB, 110RDB

HD50RDB and HD80RDB

Project Finish Packs include:

• Assembled motor plate, wheel and

plug-in motor

• Rugged metal grille for added durability

• UL Classified (UL Standard 555C)

for use in 1-, 2-, 3-hour fire-rated

floor-ceiling or roof-ceiling designs

• 165° fusible link

• Galvanized Steel Frame

• Stainless steel negator-type closure spring

• Available as Project Packs

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