SKU: CW65303
UPC: 766478053503
MPN: BP0535
The Whale BP0535 Manual Sanitation Pump Thru Deck Mount is a fully housed black waste pump engineered for reliable marine sanitation system performance across diverse vessel types and configurations. This manual diaphragm pump represents decades of Whale Marine's proven expertise in marine waste management, delivering consistent functionality when operational reliability is essential at sea.
The BP0535 features large, virtually unblockable valves that resist sediment clogging—a critical advantage in marine environments where waste system blockages create costly downtime and sanitary hazards. The tough plastic housing contains odor effectively while the manual diaphragm pump mechanism requires no electrical components, eliminating battery dependency and charging concerns during extended offshore voyages. The pump can be mounted in various orientations and positions to accommodate different deck layouts and plumbing configurations. Maintenance is straightforward: the valve assembly disassembles without tools for cleaning, minimizing service time in port or at anchor.
This pump serves weekend fishermen maintaining modest cruising vessels, commercial operators managing larger waste systems, and cruising sailors requiring independent, non-electronic sanitation solutions. The high-performance design handles continuous-duty applications while the manual actuation gives the operator direct control and feedback—valuable for diagnosing system performance and preventing pump cavitation. Anyone outfitting a new vessel's waste system or replacing aging sanitation equipment should consider the BP0535 as a proven, field-tested alternative to electric pumps, particularly for vessels without robust electrical infrastructure or those prioritizing mechanical simplicity and redundancy.
WARNING ⚠️
You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
Purchasing a Firearm? Click HERE to see our firearm purchasing guide.