Rule 3700 GPH High Capacity Bilge Pump, 12V
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Rule 3700 GPH High Capacity Bilge Pump (12V) is a heavy-duty, fully submersible, non-automatic bilge pump built for high-flow bilge pumping performance.
Key Features
- High capacity 3700 GPH flow rate
- 12V marine bilge pump for demanding bilge drainage needs
- Fully submersible design
- Anti-airlock protection to help prevent loss of prime
- Ignition protected for marine applications
- No burn-out when run dry (as designed)
- Marine-ready features include corrosion protection and easy-clean snap-lock strainer base
Product Compatibility
- Marine bilge pumping (boats/yachts)
- General bilge drainage where a high-capacity, non-automatic pump is appropriate
Product Details
- Rule 3700 GPH High Capacity Bilge Pump, 12V
- Model/number: 29-14A (per product SKU/variant)
- Capacity: 3700 GPH (gallons per hour)
- Voltage: 12V
- Type: Non-automatic bilge pump (switch/automation sold separately)
- Discharge outlet: 1-1/2 in (1.5-inch)
- UPC/GTIN: 42237083357
- Included/packaging: Not specified in provided data
- Weight (variant): 1678 GRAMS
Parts Desk Insights
Best Use Case: Use when you need serious bilge pumping capacity—such as a backup/high-water pump or installations where the bilge can see higher inflow than a smaller pump can comfortably handle.
Common Issues: Common service issues with high-capacity pumps include clogged intakes/strainers (regularly clean the snap-lock strainer base), airflow/prime problems (anti-airlock protection helps, but proper hose routing and secure plumbing still matter), and electrical reliability—verify wiring and fuse protection match the pump’s requirements before operation.
Related Products & Accessories
- Rule Bilge Pump Switches (for non-automatic installations) - Non-automatic pumps typically require a compatible switch/controls for operation; browse the bilge pump switches category for matching 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.