Attwood Catalog 2025

40 VENTILATION

attwoodmarine.com

In-Line Blowers

Certifications, Standards and Listings - Blowers Attwood in-line blowers meet or exceed the following U.S. and international certificates and standards: • ABYC-H2; ISO 9097 • U.S. Coast Guard Rules, Title 33 CFR sections 183.410, and 183.610 (b) • Tested to ANSI/AMCA (210-85) and ANSI/ASHRAE (51-1985) standards • NMMA “As Approved Listing” • CE • UKCA • RCA

Attwood offers ventilation equipment and accessories featuring the revolutionary, patented Turbo In-Line Blowers for 3"- and 4"-diameter systems. Turbo blowers are the most dependable, efficient, and powerful in-line blowers on the market, designed using aerospace technology. The Turbo line also features the industry’s first water-resistant blower models, with durability proven in rigorous moisture tests and years of success in the field. Attwood offers Turbo water-resistant blowers with an unprecedented three-year limited warranty, and a one-year limited warranty for standard models.

Turbo In-Line Blowers The first vane axial-flow fan bilge blowers designed using aerospace technology to maximize performance. No other bilge blowers in the industry provide such powerful system output at such low power input in a compact size. • Patented in-line design – provides ventilation for engine compartments, galleys, bilges, and heads • System airflow exceeds old-style in-line blowers by as much as 25% • Draws up to 40% fewer amps, making our Turbo blowers up to four times more efficient than competitive blowers • Marine ignition protected

Stiffening ribs reduce housing distortion

Low amp draw motor for longer

blower and battery life

Nickel-plated motor can for greater corrosion resistance Tabs on intake and exhaust hold ventilation hose/ clamp firmly in place Motor cap seals wires and motor for better water resistance

Five-blade fan maximizes airflow and efficiency Blade sweep and pitch are engineered for a high lift coefficient, increasing airflow speed

Caulked and tinned wires for improved corrosion resistance

Built-in mounting feet allow easy vertical or horizontal installation

Pump Dimensions Model No. A

D

A

B

C

D

Turbo 3000 Turbo 4000

3-5/8"

4-1/2" 5-1/2"

5-1/16" 6-1/16"

3" 4"

4-17/32"

B C

Specifications Model No.

Rated Voltage 12V nominal 13.6V design 12V nominal 13.6V design 24V nominal 27.2V design

CFM Open Flow CFM In System*

Current Draw Amps Fuse Size

Wave Length

120 145 200 230 200 230

90

2.6 3.1 2.5 2.9 1.5 2.0

4A 4A 5A 5A 3A 3A

7-1/2" 7-1/2" 7-1/2" 7-1/2" 7-1/2" 7-1/2"

Turbo 3000

100 100 125 100 125

Turbo 4000

Note- In system = 3 ft of duct with one 90° bend, a collector box and louvered vent on discharge side of blower at 13.6V DC

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