Whale Gusher Galley Mk III Foot Pump — Right-Hand Lever, Fresh & Salt Water (GP0550)
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Whale Gusher Galley Mk III Foot Pump — Right-Hand Lever
A classic marine galley foot pump for non-pressurized freshwater delivery at the galley sink or shower. The Whale GP0550 Gusher Galley Mk III operates entirely without electricity — a single foot stroke delivers water on demand, making it a reliable primary or backup freshwater source that works regardless of battery state. Self-priming to 5 feet with a maximum pump head of 10 feet, and suitable for both fresh and salt water. Three mounting options including through-bulkhead installation give flexible placement options in tight galley spaces. Includes 1/2" hose connections.
Important: The Gusher Galley is not designed for use in pressurized water systems. It is a manual demand pump for non-pressurized supply lines only.
Key Features
- Non-electric operation — delivers water on demand with a foot stroke, no battery required
- Right-hand lever orientation
- Self-priming to 5 ft — no manual priming required
- Maximum pump head of 10 ft
- Three mounting options including through-bulkhead installation
- Compatible with fresh and salt water
- Includes 1/2" hose connections
- Not for use in pressurized water systems
Compatible Applications
- Non-pressurized galley freshwater supply on sailboats and powerboats
- Backup freshwater pump for boats with electric pressure systems
- Shower supply in non-pressurized freshwater systems
- Fresh and salt water applications
- Installations requiring through-bulkhead or surface mounting
Parts Desk Insights
The Gusher Galley is the go-to choice for sailboats and offshore cruisers where a non-electric freshwater backup is considered essential seamanship — if the battery bank is flat or the electric pump fails, the foot pump keeps the galley running. It’s also a popular primary freshwater source on smaller sailboats where simplicity and low power consumption are priorities. The right-hand lever suits most standard galley installations; confirm lever orientation before ordering if your installation is space-constrained. For routine maintenance, the Whale AK0553 Service Kit for Gusher Galley Mk3 is the correct rebuild kit. If you have an older Mk2 installation, the Whale AK0502 Service Kit for Gusher Galley Mk2 covers that generation. For a fully automatic electric freshwater pump, the Whale Watermaster FW1215 3.0 GPM is a natural companion for boats running both electric and manual systems.
Part Number: GP0550 | Lever: Right-Hand | Self-Prime: Up to 5 ft | Max Head: 10 ft | Connections: 1/2" Hose | Note: Not for pressurized systems
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.