Aqua Void™ Cartridge Bilge Pump – Automatic Electromagnetic Combo
With its industry-first quick-change motor connection and new reinforced click-in basket, it simplifies cleaning and installation and it's convenient and efficient. Its enhanced motor ensures reliability and performance in any condition. Experience worry-free boating with Aqua Void.
Combined with a non-clogging electro-magnetic float switch for automatic operation. The switch reacts to the level of water present in the bilge and automatically activates and deactivates the pump.
Industry-First Quick-Change Motor Connection
Our groundbreaking product features a quick-change motor connection for hassle-free cartridge motor changes or capacity upgrades.
Unparalleled Convenience in Tight Spaces
The Aqua Void Cartridge Bilge Pump is designed with single-handed access, perfect for tight bilge spaces. The pump body is easy to install or remove, and an innovative reinforced click-in basket simplifies installation, cleaning, or inspection.
Enhanced Efficiency and Higher Flow Rate
Powered by an enhanced motor and high-flow impeller, the Aqua Void achieves increased efficiency and a higher flow rate while conserving energy consumption.
Reliable Performance Under Demanding Conditions
Johnson Pump Marine is renowned for industry-leading reliability. The Aqua Void lives up to this reputation with its robust construction and meticulous engineering.

Key Features
- Limited 3-Year Warranty
- Capacities: 500 GPH and 800 GPH
- Pre-configured with an electro-magnetic float switch for automatic operation
- High Flow Impeller Design for heightened efficiency
- Quick-Change Motor Connection with harness – no wire cutting or splicing required
- Water-cooled motor for long service intervals
- Compact, all-in-one motor/impeller unit with stainless steel (316) shaft
- No tools needed for maintenance; pump casing remains attached to boat and hoses
- Easy-to-install Dura-Port discharge ports prevent stress cracking
- Includes straight and 90° smooth elbow Dura-Port fittings and removable check valve
- Meets ISO 8849 marine standard
- Molded T-Slot for easy switch installation
- Compatible with AS888 automatic switch, electronic float switch, or Ultima Switch
