Tunze Silence Recirculation Pump Review


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Model GPH Wattage Dimensions Max Head Hose
1073.008 39.6 – 211.3 GPH 3 – 8 W 3.4″ x 2.63″ x 1.88″ 1.25 m | 49″ 1/2″ NPT
1073.020 52.8 – 634 GPH 14 – 30 W 4.6″ x 3.7″ x 2.9″ 2 m | 78.7″ 3/4″ NPT
1073.040 79.2 – 792.5 GPH 16 – 42 W 4.6″ x 3.7″ x 2.9″ 3 m | 118″ 3/4″ NPT
1073.050 237.7 – 792.5 GPH 17 – 43 W 4.6″ x 3.7″ x 2.9″ 3.9 m | 153.5″ 3/4″ NPT
1073.060 660.4 – 1320.9 GPH 38 – 85 W 6.8″ x 4.4″ x 3.4″ 3.7 m | 146″ 3/4″ NPT
1073.110 2906 GPH 95 – 125 W 9.5″ x 4.7″ x 6.3″ 4.65 m | 183″ 1 1/2″ NPT

The Tunze Silence Recirculation Pump offers a great balance of price and performance. It runs virtually silent, pushes water at a reliable rate with decent heads to suit most tanks needs. There is also the lower power draw, which makes the pump heat the tank less. The extended legs on the suction cups help cut down what is left of the vibrations.

All but the Silence Pro offer variable performance and are plug-compatible with PVC pipes. All but the Silence Pro 1073.110 come with a 2.2 meter cord, while the Silence Pro comes with a 3 meter cord. Each pump will operate on a 230V/50Hz voltage/frequency. They also come equipped with a safety thermostat, which prevents the pump from damaging itself at high temperatures.

Set-up

For the standard silence models press the suction cups into their openings on the bottom of the pump and turn them (1). Once turned the suction cups should be completely sealed.

Next you will need to pick which hose support you will be using. Refer to the table at the top for the outputs size, listed under hose. Screw the support on clockwise until it stops (2).

The performance of the pump can be adjusted using the dial on the front of the pump (3).

Note:
The pump will be louder during its first week of operation. Give it time to settle.

For the Silence Pro the instructions are the same, using pictures 4, 5 and 6 for reference.

Tubing

While this applies to all pumps, proper tubing is important to keep any pump safe and quiet. Be sure to fix the tubing as securely as possible, giving it stress tests before filling it with water. Additionally keep the tube as free from contact as possible if it will be hanging free. Loose tubing can cause a fair amount of noise if only one part of it touches your tank or stand.

For my tanks, quieter is better. To do this I keep the pumps fully submerged. While these pumps can be used externally, I find this increases their volume.

Remember: Water pumps are not meant to run dry. Ensure the pump will always be receiving water. Failure to do so will cause increased wear on the pumps parts and make it dramatically louder. Only plug in the pump once it has a supply of water.

Assembly & Cleaning

This is perhaps one of the easiest to disassemble pumps I have worked with. To begin remove the suction housing grate (1) and turn the housing locking bar counter clockwise to remove (2). Remove the impeller cover and slide out the impeller to finish.

You can then clean out each part individually. Be sure to only use soft, non abrasive materials on the impeller and its mounting drive. These parts are magnetic, meaning any small scratches will severely impact the performance of the pump. Re assemble the pump in reverse order to complete.

Warranty & Lifetime

Tunze offers a two year warranty on the Tunze Silence Recirculation Pump. Tunze themselves offer great customer service, so expect the support to last much longer than the actual warranty. Just be sure to keep proof of purchase, which can be a receipt online or physical paper.

Tunze’s propeller based products will often last over a decade of use when cleaned regularly, and the Tunze Silence Recirculation Pump is no different. Just remember to be careful with the impeller, as it is ceramic and easily the most fragile part of the pump.

Looking for more information on quiet aquarium water pumps? Read our full guide here.

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