Specification

REFERENCE QTY. REMARKS Project
Location
Architect
Engineer
Contractor
Submitted by Date
Broan-NuTone LLC Hartford, Wisconsin www.broan.com 800-558-1711
SPECIFICATION SHEET
31A 99045078A
SURFACE MOUNT
SOLAR POWERED
ATTIC VENTILATOR
Powerful and easy to install, these ventilators
supplement air conditioning by automatically
removing the blanket of hot, trapped air from
attics without the need of AC power.
FEATURES
• Highefficiency28wattmulticrystallinesolarpanelwith
hightransmissiontemperedglasswithstandsupto1”
diameterhailandoperatesfromdawntoduskevenin
hazyconditions.
• Precisionbalanced12”diameter,onepiece,aluminum,
5bladefanwithoptimumpitchformaximumairflowand
minimumsound.
• 0.100”thickacryliccappedABSplasticdomeandbase
provideultravioletprotectionandsuperiordurability.
Availableinblackandweatherwood.
• Corrosionresistantaluminumscreenprovidesprotection
fromanimalswithoutimpedingairflow.
• Directcurrent,variablevoltagemotorwithpermanently
lubricatedsealedballbearings,hardenedstainlesssteel
shaft,sealedhousing,dynamicallybalancedforsuperior
performanceandsilentoperation.
• Galvanizedsteelbracketsandstainlesssteelhardware
providesoundconstructionandexcellentcorrosion
resistance.
• Mountseasilybetweenrafters.
• Canreplaceexistingpoweredatticventilators.
CONTROLSDESIGNEDFORUSEWITHTHESE
PRODUCTS(purchaseseparately):
• ModelCWT45thermostatturnsventilatoroffwhen
temperaturefallsbelow50°Fandturnsonwhen
temperaturereaches61°F.
TYPICAL SPECIFICATION
SurfaceMountSolarPoweredAtticVentilatorshallbeBroan
Model345SOBK(345SOWW).
Ventilatortoberatedforatticsupto3,200cubicfeet.
Ventilatorshallmounteasilybetweenraftersorwallstuds.
Solarpaneltoberatedat28wattsandhavehigh
transmission,temperedglass.
Motorshallbedirectcurrent(DC),variablevoltage,sealed,
permanentlylubricated,andcorrosionresistant.
Fanbladetobemetal,balanced,andcorrosionresistant.
Domeandbasemustbeconstructedofultravioletresistant
plastic.
Brackets,hardwareandscreenshallbecorrosionresistant.
Perimeterofsolarpanelandwireopeningsealedtoprevent
waterintrusion.
SPECIFICATIONS
MODEL COLOR ATTIC MAX. MIN INLET CFM
CUBIC FT. AREA SQ. FT.
345SOBK BLACK 3200 2 537
345SOWW WEATHER 3200 2 537
WOOD
Product performance rated at 0.03 inch static pressure and 1000 w/m
2
solar irradiation at 32°F (0°C) based on laboratory testing.