Seachoice 19423 Automatic Bilge Pump Switch, 20A
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Seachoice 19423 Automatic Bilge Pump Switch (20A) is an electromagnetic, non-clogging bilge switch designed to automatically control your pump based on water level. It features false-start protection and comes with a universal mounting bracket plus 6' long tin-coated 16-gauge wire leads.
Key Features
- Automatically turns the bilge pump on at 2-1/4" of water and off at 3/4" of water
- Electromagnetic, non-clogging switch design
- False start protection helps reduce rapid cycling in sloshing conditions
- Universal mounting bracket for straightforward installation
- 6' long tin-coated 16-gauge wire leads
- Complies to ABYC, NMMA, USCG, SAE J1171, CE, and RoHS; meets ISO 8846 Marine & ISO 8849 Marine specifications; NMMA Type Accepted
Product Compatibility
- Automatic bilge pump control (marine bilge applications)
- 12V marine electrical systems requiring an automatic electro-magnetic bilge switch rated 20A
Product Details
- Seachoice product: Seachoice 19423 Automatic Bilge Pump Switch, 20A
- Automatic activation levels: ON at 2-1/4" of water; OFF at 3/4" of water
- Current rating: 20A
- Switch features: Electromagnetic, non-clogging; false start protection
- Mounting: Universal mounting bracket
- Leads: 6' long, tin-coated 16-gauge wire leads
- Compliance: ABYC, NMMA, USCG, SAE J1171, CE, RoHS; ISO 8846 Marine & ISO 8849 Marine specifications; NMMA Type Accepted
Parts Desk Insights
Best Use Case: A practical choice for boaters who want a simple, mechanical-style automatic bilge pump control that responds to actual bilge water levels while adding false-start protection.
Common Issues: If the pump cycles too frequently, confirm the switch’s mounting position and water-level measurement point, and inspect for debris or obstructions around the switch area even though the design is non-clogging. For wiring-related symptoms, verify correct lead terminations and secure connections along the 6' wire run.
Related Products & Accessories
- Seachoice Bilge Pumps - Browse the Bilge Pumps collection for matching pump and switch components.
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.