Gianneschi JET-4B-24V Bronze Jet Pump: 24V DC Self-Priming Performance
Anyone who has dealt with an unreliable water pump knows how much of a headache it can be, especially when it fails at the worst possible moment. The Gianneschi JET-4B-24V solves that problem with a rugged bronze body, a brass impeller, and a 316 stainless steel shaft that stand up to years of use with fresh water, seawater, diesel, and other non-inflammable liquids. Powered by a 24 volt DC motor rated at 0.75 kW (about 1 horsepower) and spinning up to 2900 RPM, it's built for situations where standard AC power isn't practical, such as boats, remote installations, or battery and solar-powered systems.
What makes this pump especially convenient is its self-priming design, which can lift water from as deep as 8 meters (25 feet) without needing to be manually primed every time it starts. A polycarbonate diffuser and venturi work alongside a ceramic-NBR mechanical seal to keep operation smooth and leak-free, while Class F insulation and IP22 protection help the motor handle demanding environments without overheating or failing prematurely. Whether it's supplying fresh water on a boat, moving seawater for wash-down, or supporting a fire-fighting system, this pump is engineered to run reliably day after day.
Beyond its marine roots, the JET-4B-24V is a practical choice anywhere a compact, low-voltage, self-priming pump is needed, from off-grid cabins to mobile equipment and light industrial fluid transfer. Its combination of durable materials, a low-maintenance design, and DC power flexibility makes it a dependable option for anyone who needs consistent pressure without relying on a standard electrical grid.
Key Features
- Bronze pump body with brass impeller for long-term corrosion resistance
- 316 stainless steel shaft for added strength and durability
- Self-priming operation, up to 8 meters (25 feet) suction depth
- Polycarbonate diffuser and venturi for efficient flow
- High-quality ceramic-NBR mechanical seal
- Class F motor insulation for reliable thermal performance
- IP22 protection rating
- 24 Volts DC motor, no AC power required
Applications
- Marine fresh water and seawater supply
- Diesel oil transfer
- Non-inflammable liquid transfer without suspended particles
- Boat wash-down and chain wash-down systems
- Fire-fighting water supply
- Off-grid, solar, and battery-powered water systems
- Light industrial and general-purpose fluid transfer
Specifications
- Motor Power: 0.75 kW (1 HP)
- Voltage: 24 Volts DC (±5% variation allowed)
- Speed: 2900 RPM
- Maximum Static Pressure: 8 Bar (115 PSI)
- Maximum Suction Depth: 8 meters (25 feet)
- Maximum Liquid Temperature: 50°C (122°F)
- Maximum Operating Ambient Temperature: 40°C (104°F)
- Port Size: 1 inch threaded inlet/outlet
- Impeller Material: Brass
- Shaft Material: 316 Stainless Steel
- Seal Type: Ceramic-NBR Mechanical Seal
- Body Material: Bronze
- Motor Insulation Class: F
- Protection Rating: IP22
FAQ Section
Q: Can the Gianneschi JET-4B-24V be used outside of marine applications?
Yes. While it's popular for boats, the pump's bronze construction and DC power design also make it useful for off-grid water systems, mobile equipment, and light industrial fluid transfer where a low-voltage self-priming pump is needed.
Q: Does this pump need to be manually primed before each use?
No, it's self-priming up to 8 meters (25 feet) of suction depth. However, after long periods of disuse or during first installation, it's recommended to run water through the suction hose to help it achieve proper suction.
Q: What liquids is the JET-4B-24V rated to handle?
It's designed for clean liquids such as fresh water, seawater, diesel oil, and other non-inflammable fluids that don't contain suspended solids.
Q: What kind of maintenance does this pump require?
Routine maintenance is minimal thanks to the ceramic-NBR mechanical seal and corrosion-resistant bronze and stainless steel components, though installing the pump with a three-piece pipe union at the suction and discharge ports is recommended for easier servicing.
Q: How should the pump be mounted for best performance?
It should be installed on a solid, clean, horizontal surface with its feet down, in a dry and well-ventilated area with an ambient temperature no higher than 40°C. Bolting it down and using vibration dampers is recommended to reduce operating noise and vibration.
CLRMarine
