Description
Overview
The Rule 75 mm Inline Bilge Blower (Part Nos. RWB653 for 12 V and RWB654 for 24 V) is designed for efficient ventilation of bilges, engine compartments, galleys and heads. Delivering a strong 3.8 cubic-metre per minute (135 CFM) airflow, these blowers maintain low current draw and reliable output. Both versions are built to suit 75 mm (3″) ducting and feature corrosion-resistant housings with moisture-protected shaft seals.
Features
- Available in 12 V (RWB653) and 24 V (RWB654) variants
- 75 mm (3″) slip-on hose connections for inlet and outlet
- Efficient airflow output of 3.8 m³/min (≈ 135 CFM)
- Low current draw: ≈ 2.9 A (12 V) and ≈ 1.5 A (24 V)
Specifications and Materials
| Part Numbers | RWB653 (12 V), RWB654 (24 V) |
| Voltage Options | 12 V DC or 24 V DC |
| Hose/Ducting Size | 75 mm (3″) |
| Air Flow Capacity | 3.8 m³/min (≈ 135 CFM) |
| Current Draw | ≈ 2.9 A (12 V) / ≈ 1.5 A (24 V) |
| Overall Dimensions | 130 mm × 125 mm × 95 mm (L × W × H) |
Compatibility and Fitment
Both voltage options are designed for 75 mm ducting and can be mounted on flat surfaces. Slip-on hose ends simplify installation, and standard clamps ensure secure connections. The compact housing allows installation in confined bilges and engine bays without reducing airflow efficiency.
Compliance and Safety
Rule in-line blowers are engineered for marine use with sealed shafts, corrosion-resistant housings, and ignition protection. Always connect to the correct voltage supply and fuse the circuit appropriately (4 A for 12 V, 2 A for 24 V). For detailed guidance on safe ventilation, see the AMSA ventilation standards.
Marine Applications
These blowers are widely used for bilge ventilation, engine room cooling, sailboat airflow systems, and marine head compartments. Their quiet performance and durable design make them reliable for both recreational and commercial vessels.
Why Choose Argomarine
Argomarine supplies genuine Rule RWB653 and RWB654 bilge blowers with verified performance specifications, ensuring you receive the correct part for your vessel’s electrical system. Choose Argomarine for quality marine ventilation hardware backed by trusted technical support.
Browse more bilge ventilation systems and accessories in our Bilge Blowers category.

