Rule 25DA 500 GPH 12V 1.6 Amp Submersible Bilge Pump
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Keep your bilge moving with the Rule 25DA submersible bilge pump—designed for dependable nuisance-water removal with efficient performance at 12V. Built on Rule’s genuine DA series design, this 500 GPH, non-automatic pump includes built-in thermal cut-off protection and backflow prevention to help reduce water left behind in the bilge.
Key Features
- Higher Flow optimized impeller for greater flow at the same amperage
- Built-in Thermal Cut-Off (TCO) for added protection for pump and vessel
- Back Flow Prevention reduces the amount of water left over in the bilge to help reduce odor and keep your bilge cleaner
- Hidden air vents in the body help prevent air locking in challenging plumbing installations and support check valve performance
- Threaded discharge for easier installation and easier maintenance
Product Compatibility
- Marine bilge water removal
- Small boats and skiffs
- General-duty portable or accessory bilge pumping where a 12V DC, submersible non-automatic pump is appropriate
Product Details
- Model/Series: Rule DA series (25DA)
- Flow rate: 500 GPH
- Power: 12V
- Current draw: 1.6 Amp (at maximum flow as specified for this model)
- Type: Submersible bilge pump (non-automatic)
- Protection: Built-in Thermal Cut-Off (TCO)
- Discharge: Threaded discharge
- Weight (variant): 408 grams
- SKU (variant): 29-25DA
Parts Desk Insights
Best Use Case: A solid choice when you need a 12V, non-automatic bilge pump with strong rated flow and protection features for everyday bilge management.
Common Issues: If you experience reduced pumping performance, confirm wiring/switch control is set up for a non-automatic pump and inspect discharge plumbing to ensure there’s no air-locking or blockage. Also check the mating discharge connection and nearby check-valve operation, since backflow prevention relies on proper plumbing alignment.
Related Products & Accessories
- Browse Bilge Pumps - Explore additional bilge pumps and pump-switch options for your setup.
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.