Specification

PRODUCT DATA SHEET

Model: TW408

ThruWall

™

Room To Room Fan

™

Listed

1 Year Limited Warranty

Hole Diameter: 8"

Back Grille Dimension: 9 ¼" x 9 ¼"

Watts: 40, Amps: 0.75, Volts: 120, Hz: 60

dBA: 54

Primary UOM: EA

Shipping Multiple: 4

Performance

Customs Tariff Classification

HS Code Country of Origin NAFTA Preference Criterion NAFTA Producer Index

8414519090 USA B Y

Packaging Metrics

UPC/SCC Width (in) Height (in) Depth (in) Weight (lbs)

Unit 066028004086 6.50 10.75 10.25 4.65

Master Case 40066028004084 20.75 11.50 13.50 22.00

TW408-DS-0916-A01

CFM 75 100 125 150 175 200 225 250 275

9.0 6.8 5.4 4.5 3.9 3.4 3.0 2.7 2.5

105

10.5 7.9 6.3 5.3 4.5 3.9 3.5 3.2 2.9

115

11.5 8.6 6.9 5.8 4.9 4.3 3.8 3.5 3.1

130

13.0 9.8 7.8 6.5 5.6 4.9 4.3 3.9 3.5

High

Air changes per hour (ACH) based on room Sq Ft.

Speed Setting

Low

Med - Low

Med - High

1. Find the square footage on the chart that is closest to the room in which air is to be delivered by the fan.

2. Select your airflow setting based on the chart. For older homes, consider a setting that results in a higher ACH.

3. Areas marked w/ : fan is oversized for this area at this speed setting. Lower speed setting or consider TW208 instead.

4. Areas marked w/ : a single fan may be undersized for this area at this speed setting, particularly older homes with inadequate

insulation.

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PRODUCT DATA SHEET Model: TW408 ThruWall™ Room To Room Fan™ UL® Listed 1 Year Limited Warranty Hole Diameter: 8" Back Grille Dimension: 9 ¼" x 9 ¼" Watts: 40, Amps: 0.75, Volts: 120, Hz: 60 dBA: 54 Primary UOM: EA Shipping Multiple: 4 Performance Air changes per hour (ACH) based on room Sq Ft. Speed Setting Low Med - Low Med - High High CFM 90 105 115 130 75 9.0 10.5 11.5 13.0 100 6.8 7.9 8.6 9.8 125 5.4 6.3 6.9 7.8 150 4.5 5.3 5.8 6.5 175 3.9 4.5 4.9 5.6 200 3.4 3.9 4.3 4.9 225 3.0 3.5 3.8 4.