Whale Watermaster Automatic Freshwater Pressure Pump — 12V, 3.0 GPM, 45 PSI, IP65 (FW1215)
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You have 30 days to request a return. All sale items are final sale.
Whale Watermaster Automatic Freshwater Pressure Pump — 12V, 3.0 GPM, 45 PSI
A premium 12V automatic freshwater pump with fully integrated electronics and IP65 waterproof protection — built for installations where reliability and protection from the marine environment are the priority. The Whale Watermaster FW1215 delivers 3.0 GPM at 45 PSI with smooth, constant flow and quiet automatic operation. The fully sealed motor housing and completely integrated electronics mean no exposed pressure switch or separate wiring connections to corrode or fail — a meaningful advantage over conventional diaphragm pumps in wet or spray-prone installations. Self-priming up to 10 feet, run-dry safe, and compatible with both fresh and salt water. Includes a strainer to protect the pump from supply line debris. Suitable for 15mm Quick Connect plumbing or 1/2" threaded connections.
Key Features
- 3.0 GPM flow rate at 45 PSI — strong pressure for single or multi-fixture freshwater systems
- IP65 rated — fully sealed against water ingress, suitable for wet and spray-prone installations
- Fully sealed motor housing with completely integrated electronics — no exposed pressure switch or external wiring connections
- Smooth, constant flow — no pulsing or pressure spikes
- Quiet automatic operation — activates on demand, shuts off when flow stops
- Self-priming up to 10 ft (3 m)
- Run-dry capable — no damage if the tank runs empty
- Compatible with fresh and salt water
- Fits 15mm Quick Connect plumbing or 1/2" threaded connections
- Strainer included — protects pump from supply line debris
Compatible Applications
- Single or multi-fixture freshwater pressure systems on powerboats, sailboats, and cruisers
- Wet or spray-prone installations where IP65 protection is required
- Fresh and salt water systems
- 12V DC freshwater systems requiring 15mm Quick Connect or 1/2" threaded plumbing
- Installations where integrated electronics and a sealed housing are preferred over conventional pump designs
Parts Desk Insights
The Watermaster FW1215 stands out from conventional marine freshwater pumps with its IP65 rating and fully integrated electronics — there’s no separate pressure switch to corrode or fail, which makes it a strong choice for installations in exposed or wet locations. The 45 PSI output is higher than most comparable 3 GPM pumps, giving it a more household-like feel at the tap. For comparison, the Jabsco Par-Max 3 GPM and SHURflo Aqua King II 3.0 GPM are conventional alternatives at a lower price point. For boats where a non-electric freshwater supply is preferred as a backup or primary source, the Whale GP0550 Gusher Galley Foot Pump Mk III is a natural companion. Add a Jabsco Accumulator Tank or GROCO PST-1 downstream to further smooth pressure delivery and reduce pump cycling.
Part Number: FW1215 | Voltage: 12V DC | Flow Rate: 3.0 GPM | Pressure: 45 PSI | IP Rating: IP65 | Connections: 15mm Quick Connect or 1/2" Threaded | Includes: Strainer
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.