Dolphin Diamond Aqua Sea 7450 Pump

The Dolphin Diamond Aqua Sea 7450 is a high-performance external aquarium and pond pump engineered for applications requiring high flow, high pressure, and reliable continuous operation. With a maximum flow rate of 7,450 GPH, the Aqua Sea 7450 is an excellent choice for large reef aquariums, freshwater aquariums, marine systems, ponds, aquaculture facilities, water features, and commercial water-circulation applications.

The Aqua Sea 7450 features a powerful 3/4 HP motor operating at 3,450 RPM and a compact 1.5-inch dischargedesigned to provide high head pressure while maintaining relatively low current draw. Its external configuration keeps the motor outside the aquarium, helping reduce unwanted heat transfer into the water.

The Dolphin Diamond Aqua Sea 7450 GPH pump is particularly well suited for large aquarium filtration systems, sump return applications, reef aquariums, freshwater aquariums, aquaculture systems, fish holding systems, koi ponds, water features, and other systems requiring substantial water movement and pressure.

Key Features

• 7,450 GPH maximum flow rate
• 3/4 HP high-performance motor
• 3,450 RPM motor speed
• 115V, 60 Hz operation
• Continuous-duty, weatherproof motor
• Dual-sealed motor bearings
• Compact 1.5" discharge
• Designed for high head pressure and high flow
• Low-current-draw design
• External pump configuration
• Durable, high-performance polymer construction
• Excellent resistance to UV exposure, chlorine, impact, cracking, and abrasion
• Polymer construction rated for temperatures of 4°F–230°F (-20°C–110°C)
• pH range of 4–10
• Available with freshwater/clean marine or saltwater/reef/abrasive seal configurations
• Includes 1.5" Super Seal unions
• Includes anti-vibration pump pad
• Continuous-duty operation for demanding aquarium and pond applications
• Pre-filter and priming pot options are available for installations requiring suction lift or debris filtration

Dolphin Diamond Aqua Sea 7450 Specifications

• Model: Diamond Aqua Sea 7450
• Pump Type: External
• Maximum Flow: 7,450 GPH
• Motor: 3/4 HP
• Motor Speed: 3,450 RPM
• Voltage: 115V
• Frequency: 60 Hz
• Discharge: 1.5"
• Dimensions: 12.5" L × 6.25" W × 7.25" H
• Duty Rating: Continuous
• Motor: Weatherproof
• Bearings: Dual-sealed
• Suggested Application: Systems requiring high pressure and high flow
• Included Accessories: 1.5" Super Seal unions and anti-vibration pump pad
• Warranty: 1–3 years depending on seal configuration
• Factory Service Guarantee: 10 years

Ideal Applications

The Dolphin Diamond Aqua Sea 7450 is an excellent choice for:

• Large reef aquariums
• Saltwater aquariums
• Freshwater aquariums
• Aquarium sump return systems
• Aquarium filtration systems
• Large aquarium installations
• Coral propagation systems
• Fish holding systems
• Aquaculture systems
• Commercial aquarium installations
• Koi ponds
• Large ponds and water features
• High-pressure waterfalls
• Recirculating water systems
• High-volume water circulation applications

Excellent Choice for Large Reef Aquariums

The Dolphin Diamond Aqua Sea 7450 aquarium pump provides the combination of high flow and high head pressure needed by many large aquarium filtration systems. Its external configuration keeps the motor outside the aquarium while the powerful 7,450 GPH capacity provides substantial water circulation for sump returns, filtration equipment, closed-loop systems, and other water-processing applications.

The compact 1.5-inch discharge makes the Aqua Sea 7450 particularly useful for installations where high pressure and strong water movement are important. The pump is designed for continuous-duty operation, making it well suited for demanding aquarium, aquaculture, pond, and commercial applications.

For reef aquarium owners, freshwater hobbyists, aquaculture professionals, aquarium stores, pond keepers, and commercial installations, the Dolphin Aqua Sea 7450 provides a powerful external pump solution for high-volume water circulation.

Freshwater & Saltwater Pump Options

The Dolphin Diamond Aqua Sea 7450 is available with seal configurations designed for different water conditions. The Freshwater/Clean Marine configuration is appropriate for freshwater systems and clean marine applications, while the Saltwater/Reef/Abrasive configuration is designed for more demanding marine and abrasive-water environments.

This seal flexibility makes the Aqua Sea 7450 a versatile external pump for freshwater aquariums, saltwater aquariums, reef systems, aquaculture installations, ponds, and other high-flow water-circulation applications.

High-Flow External Aquarium Pump

If you are looking for a 7,450 GPH aquarium pump, external reef tank pump, large aquarium return pump, high-volume aquarium pump, pond pump, or aquaculture water pump, the Dolphin Diamond Aqua Sea 7450 is engineered to deliver powerful circulation while providing the benefits of an external pump design.

The combination of 7,450 GPH flow capacity, 3/4 HP motor, 3,450 RPM operating speed, high head pressure, 1.5-inch discharge, durable construction, and continuous-duty operation makes the Dolphin Diamond Aqua Sea 7450an excellent choice for large aquarium, reef, pond, and aquaculture systems.

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