24VDC 350 GPH Bilge Submersible Pump

The 24VDC 350 GPH Bilge Submersible Pump is a compact, high-efficiency centrifugal pump designed to remove water from bilge compartments, engine rooms, and confined spaces in marine vessels, boats, and industrial applications. Marine engineers, boat operators, and industrial maintenance professionals rely on this pump to prevent water accumulation that can compromise vessel integrity and equipment functionality. This submersible pump solves critical water management challenges by delivering reliable, continuous dewatering performance in harsh saltwater and freshwater environments where corrosion resistance and dependable operation are non-negotiable.

Product Overview

The 24VDC 350 GPH Bilge Submersible Pump operates on direct current voltage, making it ideal for marine DC electrical systems commonly found in boats, yachts, and offshore platforms. The pump utilizes a sealed electric motor coupled with an internal impeller mechanism that creates centrifugal force to move water through the discharge outlet. At 350 gallons per hour (approximately 1,325 liters per hour), this pump provides sufficient flow rate for continuous bilge water removal in small to medium-sized vessels while maintaining low power consumption typical of 24VDC systems. The submersible design allows complete immersion in bilge water, eliminating the need for separate intake lines and reducing installation complexity.

What distinguishes this model is its robust construction featuring corrosion-resistant materials suitable for marine environments, thermal overload protection to prevent motor burnout during extended operation, and a compact form factor that fits into tight bilge spaces where traditional pumps cannot be installed. The 24-volt DC operation ensures compatibility with standard marine electrical systems and provides safer operation compared to AC alternatives in wet environments. The pump's low current draw makes it suitable for battery-powered applications and renewable energy systems, while its automatic operation capability allows integration with float switches for hands-free bilge management.

Key Specifications

Specification	Details
Product Type	Submersible Centrifugal Bilge Pump
Operating Voltage	24VDC
Flow Rate	350 GPH (1,325 LPH)
Maximum Head	20 feet (6 meters)
Power Consumption	Approximately 10-12 Amperes at full load
Motor Type	Sealed DC Electric Motor with thermal protection
Port Size	1.5 inch NPT discharge outlet
Housing Material	Marine-grade corrosion-resistant composite
Operating Temperature Range	-10°C to 60°C
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp

Key Features

• 24VDC Direct Current Operation: Seamless integration with marine DC electrical systems, battery banks, and solar power installations without requiring AC inverters or transformers
• 350 GPH Flow Capacity: Delivers 1,325 liters per hour for efficient bilge water removal from small to medium-sized vessels and industrial sumps
• Submersible Design: Fully waterproof sealed motor housing allows direct immersion in bilge water, eliminating external intake lines and reducing installation footprint
• Thermal Overload Protection: Built-in motor protection prevents damage from continuous operation or blockages, automatically shutting down at dangerous temperatures
• Corrosion-Resistant Construction: Marine-grade materials withstand saltwater, freshwater, and chemically contaminated bilge environments for extended service life
• Low Power Draw: Approximately 10-12 amperes at full load, ideal for battery-powered vessels and systems with limited electrical capacity
• Float Switch Compatible: Can be integrated with automatic float switches for unattended operation and emergency bilge management
• 1.5 Inch NPT Discharge: Standard marine outlet fitting for quick connection to existing bilge piping systems and hose assemblies

Applications and Use Cases

• Marine Vessel Bilge Management: Primary application in fishing boats, commercial vessels, and yachts to continuously remove seawater and condensation from engine compartments and cargo holds
• Emergency Dewatering: Rapid water removal from flooded compartments during hull breaches or heavy weather conditions, protecting vessel integrity and crew safety
• Industrial Sump Pumping: Removal of process water, coolant, and contaminated fluids from machine tool sumps, manufacturing facilities, and industrial equipment basins
• Offshore Platform Water Management: Dewatering of drilling equipment, production modules, and accommodation areas on oil and gas platforms where DC power systems are standard
• Renewable Energy System Integration: Compatible with solar and wind-powered marine installations for sustainable bilge water management without fossil fuel dependency
• Backup Power Applications: Ideal for backup pumping systems powered by uninterruptible power supplies (UPS) and battery banks in critical infrastructure

How to Use

Installation begins by selecting an appropriate mounting location within the bilge compartment where the pump can remain fully submerged during normal operation. Secure the pump using the provided mounting bracket, ensuring the discharge outlet faces upward or toward the through-hull fitting. Connect the 24VDC positive and negative power leads to your vessel's DC electrical system through an appropriate marine-grade circuit breaker rated for 15-20 amperes. For automatic operation, integrate a float switch into the control circuit so the pump activates when water level rises above the setpoint and deactivates when water drains below the minimum level.

Before initial operation, verify that the discharge hose is connected securely to the 1.5 inch NPT outlet and routed to the through-hull fitting or overboard outlet. Prime the pump by filling the discharge line with water to ensure efficient operation. Test the pump at low voltage first to confirm proper rotation direction and water flow. Monitor the first operational cycle for any unusual noise, vibration, or electrical draw that might indicate installation issues. For systems with float switches, test the automatic activation and deactivation to ensure reliable hands-free operation. Periodically inspect the discharge outlet for blockages from debris or mineral buildup, and clean the intake area if water flow decreases over time.

Frequently Asked Questions

What is the difference between 24VDC and AC bilge pumps?

24VDC bilge pumps operate directly on marine direct current electrical systems without requiring inverters or transformers, making them more efficient and safer in wet environments. DC systems eliminate the electrical shock hazard associated with AC voltage in saltwater conditions and consume less power from battery banks. AC pumps require shore power or generators and are better suited for larger commercial vessels with substantial electrical capacity. For small to medium vessels with battery-based power systems, 24VDC pumps are the industry standard.

Can this pump handle saltwater and contaminated bilge water?

Yes, the 24VDC 350 GPH Bilge Pump is specifically designed for marine environments and constructed with corrosion-resistant materials that withstand prolonged exposure to saltwater, oil-contaminated water, and chemical bilge fluids. The sealed motor housing prevents water ingress into electrical components, and the impeller design handles suspended solids and debris common in bilge water. However, for heavily contaminated water with large debris, consider installing a strainer basket at the intake to prevent pump damage and maintain optimal flow rates.

What size circuit breaker and wire gauge do I need for installation?

The 24VDC 350 GPH Bilge Pump draws approximately 10-12 amperes at full load. Install a marine-grade DC circuit breaker rated for 15-20 amperes to provide proper overcurrent protection. Use marine-quality tinned copper wire rated for at least 14 AWG (2.08 mm²) for runs up to 20 feet from the battery, and upgrade to 12 AWG (3.31 mm²) for longer distances to minimize voltage drop. All connections must be made with corrosion-resistant marine terminals and sealed with dielectric grease to prevent oxidation in the salt spray environment.

Can I use a float switch for automatic bilge pumping?

Absolutely. The 24VDC 350 GPH Bilge Pump is fully compatible with marine float switches for automatic operation. Install the float switch in the bilge compartment at your desired water level setpoint, and wire it in series with the pump's power circuit. When water level rises above the switch setpoint, the circuit closes and the pump activates automatically. As water drains, the float drops and the circuit opens, stopping the pump. This automatic operation is essential for unattended vessel operation and emergency dewatering scenarios where manual activation is impractical.

What is the maximum head pressure this pump can deliver?

The 24VDC 350 GPH Bilge Pump has a maximum head rating of 20 feet (6 meters), meaning it can push water vertically against gravity up to that height at zero flow rate. In practical applications, as the discharge height increases, the flow rate decreases proportionally. For example, at 10 feet of head, the pump delivers approximately 175 GPH. Always verify your system's total head requirement (including pipe friction losses) is within this specification to ensure adequate performance. For applications requiring higher head pressure, consider a higher-capacity pump model.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

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