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Architectural & Engineering Specifications

August 2001

Exterior-Mounted

Power Attic  Ventilator

with Automatic Thermostat

MODEL: RF-79RP

DESCRIPTION

Pulls hot air out of larger attics automatically. Exhausts
moisture and condensation that can cause premature
deterioration of attic insulation, shingles, roof, rafters,
wiring and outside paint.

• Efficient PSC type motor.

Trim silhouette with 22" diameter by 9" high housing.

23" square, aluminum, one-piece self-flashing flange and
venturi design provide complete rain seal. Includes
birdguard.

• Polymeric dome is UV protected.

Automatic thermostat turns the fan on at selected
temperature setting from 60°F to 120°F or, may be 
used with a general use On/Off switch for manual control.

14

1

2

" diameter roof cutout between rafters. Install on 

flat or pitched roof. When used on flat roofs, fan should
be mounted on built-up curb so that unit is raised above
standing water level.

DESIGN FEATURES

Air Delivery:

1400 CFM at .03" S.P.
2000 sq. ft. attic floor area.

Dimensions:

9" high, dome 22" diameter,
23" square flashing plate.

Motor:

PSC type, sleeve bearing, thermally
protected (auto-reset with one-shot
fuse backup protector).

Material & Finish:

Flashplate is plated steel with brown,
powder coat paint finish. Dome is dark
gray, UV protected, polymeric
material. Bird guard is UV protected
polymeric material.

Fan Blade:

5 Fins, 14" diameter, 4" pitch,
galvanized steel.

Thermostat:

Adjustable from 60° to 120°F. Preset
to 110°F.

Electrical Rating:

120V, 60Hz, 3.9A.

ARCHITECT'S SPECIFICATIONS

Attic Cooling Fan shall be Model RF-79RP as

manufactured by NuTone, according to product
specifications listed: 9" high, dome 22" diameter, 
flashing 23" square; contains automatic, adjustable
thermostat; 1400 CFM at .03" S.P.

CERTIFIED TEST DATA

Air delivery rating is certified by the Home Ventilating

Institute Division of AMCA, based on testing performed 
by an independent third party testing laboratory, in
accordance with HVI standards. This NuTone model 
is listed by Underwriters' Laboratories Inc.

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