Rule 12V Utility Pump - 12V 3700-GPH Auto.bilge Pump | 55-S
No restocking fees on eligible returns
You have 30 days to request a return. All sale items are final sale.
Customer pays return postage. Return postage is reimbursed if we made a mistake.
12V Utility Pump
12V 3700-GPH Auto.bilge Pump
- Fully automated bilge pump with computerized operation
- High capacity pump for larger vessels
- Motor rated for 2,500-hour life
- Quick release inlet strainer allows rapid cleaning
- Ignition protected
- No need for a separate float switch
- Third wire for manual override or warning light
- Fuse Size: 25A
- Output: Up to 220 L/min (48 gal/min) - Maximum recommended discharge head 4m
- Outlet: 1-1/2"
- Dimensions: 8-1/4" high, 4-7/8" base diameter
- Brand: Rule
- Manufacturer part #: 55-S
- Sold as: EA (pack of 2)
Product Details
Rule 55S automatic 12V DC bilge pump, rated at 3700 GPH, with a 1-1/2-inch discharge hose connection and a specified 25A fuse. Replacement strainer: Rule 279.
Parts Desk Insight
Keep the inlet strainer accessible and match the discharge hose to the pump outlet. The specified fuse protects the circuit; it should not be increased to mask repeated trips caused by wiring problems or a blocked pump.
Shipping information
In-stock and OEM parts: ship same or next business day.
Supplier-stock items are usually ready for pickup or shipping within 24 hours of ordering.
Special-order timing may vary.
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.