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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.
•
141⁄2" 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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Product specifications subject to change without notice.
4820 Red Bank Road, Cincinnati, Ohio 45227
Printed in U.S.A
SELECTION DATA
To determine fan size needed, measure square footage
of attic floor and multiply footage by .70. The result will be
the minimum air delivery required.
INSTALLATION
Mounts on a pitched or flat roof between 16" O.C.
rafters. Roof cutout minimum of 141⁄
2" diameter.
IMPORTANT: On a flat roof installation, fan must be
mounted on curb build-up above the waterline. The Outlet
Box containing thermostat attaches to nearest roof rafter .
Thermostat preset at 110°F; calibrated dial settings from
60° to 120°F. May be used with standard on/off toggle
switch for manual control (must be purchased separately.)
Installation Instructions packaged with each unit.
DIMENSIONS
22" DIA.
9"
7
⁄8"
10
24" DIA.
23"
23"
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