Recirculation Pump Silence (1073.040) – Tunze

This high-performance recirculation pump is designed for aquarists who demand absolute reliability and near-silent operation. Engineering by the renowned German brand TUNZE, theSilence 1073.040is a versatile powerhouse suitable for both freshwater and saltwater environments.

Whether you are powering a large sump, a calcium reactor, or a professional filtration system, this pump delivers high flow rates with remarkably low energy consumption.

Key Features & Benefits

• Ultra-Quiet Performance:True to its name, the “Silence” series features a high-performance rotor with a one-part magnet and all-ceramic bearings. This reduces friction and vibration, ensuring your aquarium remains a peaceful centerpiece rather than a noisy appliance.
• Submerged or External Use:Designed with versatility in mind, the 1073.040 can be used fully submerged in a sump or externally as a dry-mounted pump, giving you total flexibility in your plumbing layout.
• Adjustable Flow Control:Tailor the output to your specific needs. The pump features an adjustable flow rate ranging from 80 to 790 US gallons per hour (300 to 3,000 l/h).
• Built for Longevity:Featuring a motor winding with a protective thermostat to prevent overheating and built to the strictest international safety standards, this pump is designed for years of low-maintenance, continuous operation.

• Standard Plumbing Compatibility:Equipped with ¾” NPT threaded connections, it easily integrates with standard PVC fittings, hose barbs, and aquarium plumbing accessories.

Technical Specifications

• Flow Rate:80 to 790 US gal./h (300 – 3,000 l/h)
• Energy Consumption:16W to 42W (highly efficient)
• Max Pumping Head:118.1 inches (3.0 meters)
• Voltage:115V / 60Hz (US Plug)
• Dimensions (without outlet/suction cups):4.6″ x 3.7″ x 2.9″ (118 x 94 x 75 mm)
• Cable Length:approx. 7.2 ft (2.2 m)

• Mounting:Four integrated suction cups for a stable, vibration-dampening fit.

Why Choose the Tunze 1073.040?

Unlike standard “utility” pumps that lose efficiency and gain noise over time, Tunze focuses on precision engineering. The use of all-ceramic bearings ensures that the pump does not corrode in harsh saltwater environments, while the ergonomic design makes it easy to handle and maintain.

Ideal for:

• Main return pumps for reef or freshwater tanks.
• Powering large protein skimmers or media reactors.
• Water circulation in professional aquaculture setups.

What’s in the Box?1 x Tunze Silence 1073.040 Pump, ¾” NPT connection fittings, and a comprehensive instruction manual.