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| Duct Booster®
Fans
Duct Booster®
Fans
Your Best Value for
boosting air flow in ducts or for powered air intakes and exhausts. |
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Residential
and Commercial Sizes.
Quality construction, Economically priced.
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Boosts
air flow in hard to heat or cool rooms.
Models
for ducts 5" through 14".
Models
EF-6 through EF-14 may be used as exhaust or air intake fans.
Easy
installation in both metal and flex duct.
Optional
speed and Duct Airstat operating controls.
Quiet,
smooth operation.
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Commercial/
Residential
- Duct
Booster Fan
- Out
Door Air Supply
- Lunch
Room Exhauster
- Pole
Barn Warehouse Exhaust
- Spot
Ventilation
- Bathroom
Exhaust
- Fume
Control systems
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Selection
Table
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DUCT
LENGTH IN FEET |
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Model
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Motor
Specifications
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25
Feet
CFM
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50
Feet
CFM
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75
Feet
CFM
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Free
Air
CFM
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DB-2, 6" Duct
DB-2, 8" Duct |
120V
1/70 HP .51A
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150
250
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100
220
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95
180
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200
275
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| EF-6 |
120V
30 Watt .40A
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150
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100
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90
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180
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| EF-8 |
120V
56 Watt 1.1A
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300
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250
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200
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325
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| EF-10 |
120V
1/100 HP .46A
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400
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325
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275
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475
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| EF-12 |
120V
1/35 HP 1.25A
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800
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700
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600
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875
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| EF-14 |
120V
1/25 HP 1.70A
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1100
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1000
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900
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1200
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- Table is based on straight metal duct. 90 Degree
elbows are equivalent to 10 feet of straight duct. Performance based on 70 degrees F. standard air.
- The DB-2 can be installed in round ducts up to 8",
rectangular ducts as shallow as 3 1/4".
- The number after EF-matches the duct diameter. Example EF-8 connects
to 8" round duct.
- For complete dimension and performance specifications
consult factory.
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HIGH PRESSURE DUCT BOOSTER®
FANS
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Versatile and durable Tjernlund M and P-Series
Fans feature high pressure air handling performance with low noise and
extremely low power usage.
M-Series fans (metal housing) are ideal for
long runs or air supply and exhaust applications requiring exacting performance.
Use P-Series fans (plastic housing) as ultimate bathroom/spa exhausters
to eliminate fogged mirrors and lingering odors, super quiet. They
also work great for exhausting high moisture areas such as sub-slab radon
gas mitigation and dryer vent boosting. |
M-Series (Metal) Performance
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Model
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Amps |
Watts
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RPM
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Volts
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CFM VS Static Pressure
0" 1/8" 1/4" 3/8" 1/2" 3/4" 1" 1 1/2" 2" |
Duct
Dia.
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Weight
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M-4
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.9
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100
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3000
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120
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200 190 185 175
165 145 110
35 -- |
4"
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9 LBS.
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M-6
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1.1
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125
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3000
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120
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530
510 490 465
440 375 310
175 -- |
6"
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13 LBS.
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M-8
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1.8
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210
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3000
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120
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670 655 635
565 585 540
485 380 260 |
8"
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15 LBS.
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P-Series (Plastic) Performance
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Model
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Amps |
Watts
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RPM
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Volts
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CFM VS Static Pressure
0" 1/8" 1/4" 3/8" 1/2" 3/4" 1" 1 1/2" 2" |
Duct
Dia.
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Weight
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P-4
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.9
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100
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3000
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120
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200 190 185 175
165 145 110
35 -- |
4"
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6 LBS.
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P-6
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1.1
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125
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3000
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120
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530
510 490 465
440 375 310
175 -- |
6"
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8 LBS.
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P-8
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1.8
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210
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3000
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120
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670 655 635
565 585 540
485 380 260 |
8"
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10 LBS.
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Model
PS1503 Duct Airstat
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Senses positive
pressure from central blower
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Works year-round
for both heating and a/c
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Simplifies
wiring
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Model
SCP Speed Control
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- Plug in speed control for use with
M and P Series High Pressure Fans.
SCP Instructions
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Model
SC-1 Speed Control
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Use to turn
Duct Fans on/off and to vary motor RPM
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Can be used
with PS1503 Duct Airstat.
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Can be used
with Models EF-6, EF-8,
&
EF-10 (Face plate fits models EF-6, 8, 10)
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SC-1
G-Series
BD-Series
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DR-10 Dryer Vent Switch
Used to automatically activate P-Series Duct Booster
when dryer is in operation
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G-Series Supply/Exhaust Grills
White plastic, dual
purpose grills with mounting
collars (4", 6", 8" Sizes)
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BD-Series Back Draft Dampers:
Galvanized steel, spring
loaded dampers prevent
backdrafts. (4", 6", 8" Sizes)
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