Jabsco 4" 250 CFM Flexmount Heavy Duty Blower - 12V [35770-0092] - CWR-31449
DC 250 CFM Flexmount Continuous Duty 4" Blower
Features
- Extended Life 5,000 Hour Motor
- Tough Reinforced Thermoset Plastic Housing
- Mounts to Any Flat Surface
- Slip-On Inlet Ducting Connection
- Efficient High Volume Air Flow
- Low-Current Draw
- Corrosion-Resistant Materials Throughout
- N.M.M.A Type Accepted
- Meets USCG Electrical Regulations to Title 33
- Chapter I, Part 183
- Subpart I and ISO 8846 for Ignition Protection
- Complies with ISO 9097 Marine
- CE Conforms with EN 5008-1 for Supression of Electro-magnetic interference
What our Experts Think
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Strong, continuous ventilation — Delivers 250 CFM of airflow for efficient removal of fumes, vapors and heat in engine bays, fuel compartments, galleys or enclosed spaces — ideal for marine and heavy‑duty use.
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Built for durability — Heavy‑duty motor with ~5,000 hr life and tough, corrosion‑resistant housing keep it running reliably in harsh, wet environments.
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Flexible installation — Flexmount design allows 360° adjustable outlet orientation and flat‑surface mounting, simplifying fitment in tight or awkward spots.
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Efficient, low draw operation — Designed for continuous duty with low current draw (~11 A at 12 V), conserving battery while maintaining strong airflow.
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Safety & compliance — Meets key marine ventilation standards including USCG, ISO 8846 ignition protection and ISO 9097 fan requirements, essential for gasoline engine compartments.
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Compact & robust — At ~7 lb and 4″ duct size, it’s a practical, space‑saving solution for boats and vehicles needing reliable air movement without bulky hardware
Q&A
Q: What type of blower is this?
A: Heavy-duty 4" Flexmount blower, designed for marine and industrial ventilation applications.
Q: What is the airflow capacity?
A: Provides 250 CFM, ensuring effective ventilation for bilges, compartments, or workspaces.
Q: What is the power requirement?
A: Operates on 12V DC, compatible with standard marine and vehicle electrical systems.
Q: Is it easy to install?
A: Yes — Flexmount design allows quick installation with flexible positioning and mounting options.
Q: What condition is the unit in?
A: Brand new, factory-sealed Jabsco 4" 250 CFM Flexmount Heavy Duty Blower [35770-0092] (CWR-31449).
Maintenance Tips
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Check electrical connections before each use to ensure secure 12V power supply
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Inspect mounting hardware for tightness and proper alignment
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Keep blower inlet and outlet free of debris to maintain airflow and performance
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Avoid operating the blower dry if application requires fluid or cooling
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Inspect fan blades and housing periodically for damage or wear
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Clean exterior and vents regularly to prevent dust buildup
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Check wiring and terminals for corrosion or fraying
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Operate within recommended voltage and duty cycle to prevent overheating
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Store in a dry, protected area when not in use
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Follow manufacturer’s maintenance schedule for long-term reliability