Rule 27DA 1,100 GPH 12V 3.7 Amp Submersible Bilge Pump
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Rule 27DA submersible bilge pump is built for dependable high-flow performance on 12V systems, helping keep your bilge clear of nuisance water. Engineered testing is designed to deliver rated performance at 12V and features that support protection and easier installation.
Key Features
- Higher Flow optimized impeller to provide greater flow at the same amperage
- Built-in Thermal Cut-Off (TCO) provides added protection for pump and vessel
- Back Flow Prevention reduces the amount of water left over in the bilge, reducing odor and helping keep your bilge cleaner
- Hidden Air Vents in the body help prevent air locking in challenging plumbing installations and help with the check valve
- Threaded discharge for easier installation and easier maintenance
Product Compatibility
- Marine bilge pumping (submersible)
- Boat livewells/bilge applications that use a 12V pump setup
- General water removal in marine environments where a submersible bilge pump is appropriate
Product Details
- Model: Rule 27DA
- Capacity: 1,100 GPH
- Power: 12V
- Amps: 3.7 Amp
- Type: Submersible bilge pump
- SKU: 29-27DA
- Features noted in packaging/description: Built-in Thermal Cut-Off (TCO), Back Flow Prevention, Hidden Air Vents, Threaded Discharge
- Variant barcode (as provided): 42237104724
- Variant weight (as provided): 501 grams
Parts Desk Insights
Best Use Case: A strong choice when you want high-flow bilge pumping on a 12V setup, especially if your plumbing run is prone to air-locking and you want the pump’s design features to help maintain check-valve performance.
Common Issues: If performance drops after installation, confirm the discharge plumbing is correctly seated and that the discharge path is not restricted. For bilge pumps, air-locking and trapped air can reduce pumping effectiveness—review the routing and intake/discharge alignment to support smooth priming. Also verify wiring and fuse protection match the pump’s electrical requirements.
Related Products & Accessories
- Bilge Pump Plumbing & Switches - Browse the Bilge Pumps category for compatible hose sizing, fittings, and pump switch options.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.