Home/HEATING/HEATERS/E Series/E50 Advanced Electronic Heater, 50 W, up to 15 US Gal (60 L)

E50 Advanced Electronic Heater, 50 W, up to 15 US Gal (60 L)

SKU: A771 | UPC: 015561107716
Format: 2 x 1.125 x 9.75" (5.0 x 2.8 x 24.7 cm)
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E-Series is the only digital heater range on the market to offer dual-sensor VueTech® microprocessor technology, which continuously displays accurate water temperature and visually alerts the user of any fluctuations.

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  • 50-Watt heater designed for aquariums up to 15 gallons
  • Displays water temperature digitally in Celsius or Fahrenheit
  • Precision temperature control allows for increments (+ or -) of 0.5 degrees
  • VueTech® system will change display colors if set temperature varies +/- 1°C or +/- 2°F (blue = low, green = safe zone, red = high)
  • Integrated fish guard provides added protection
  • Slim mounting bracket
  • For use in freshwater and saltwater aquariums
MODEL
Item #
E50
A771
E100
A772
E200
A773
E300
A774
UPC015561107716015561107723015561107730015561107747
Aquarium Capacity15 US Gal
(50 L)
30 US Gal
(100 L)
65 US Gal
(250 L)
100 US Gal
(375 L)
Wattage50 W100 W200 W300 W
Dimensions
(L x W x H)
2 x 1.125 x 9.75"
(5.0 x 2.8 x 24.7 cm)
2 x 1.125 x 11.75"
(5.0 x 2.8 x 29.8 cm)

2 x 1.125 x 14"
(5.0 x 2.8 x 35.5 cm)

2 x 1.125 x 14"
(5.0 x 2.8 x 35.5 cm)

5 YEAR LIMITED WARRANTY

Fluval E Series Heaters are guaranteed against defects in material or workmanship under

normal aquarium usage and service for 5 years. We offer a 5 year guarantee on all nonreplaceable
parts which means that the heater will be repaired or replaced at the
manufacturer’s discretion, free of charge, when the complete heater is returned with proof
of purchase and postage paid. This warranty does not apply to any heater that has been
subjected to misuse, negligence, or tampering. No liability is assumed with respect to loss
or damage to livestock or personal property irrespective of the cause thereof.

INSTRUCTION MANUAL

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A SERIES2021-09-08T13:36:18-04:00

A SERIES

SELECT AN FAQ CATEGORY

My pump seems to be making a lot of noise. Should I be concerned?

A Series air pumps are quiet, so excessive noise is not normal. First, check any items connected to the pump for excess backpressure that may be building up. For example, air stones can plug up over time and need replacement. Then, open the pump and ensure that all rubber parts (i.e. diaphragms and bushings) are intact and in working order.

Why is water leaking out of my air pump?

When positioning an air pump below the water level, back-siphoning can occur if an air pump check valve has not been used.

The air output has reduced. What do I do?

Check any items connected to the pump for excess backpressure that may be building up. For example, air stones can plug up over time and need replacement. Then, open the pump and ensure that all rubber parts (i.e. diaphragms and bushings) are intact and in working order.

What flow rate should I use on my A series air pump?

The adjustable flow rate of A series air pumps allows them to be used on larger and smaller aquariums alike, and in cases require strong or moderate surface agitation. It’s best to experiment with different flow rates to find the settings that work best for your aquarium.

Where should I position an air stone in my aquarium?

Air stones should be positioned far away from filtration intakes to avoid air entering the filter.

Is it better to position the air pump horizontally or to mount it vertically using the rubber hang tag?

Mounting the air pump vertically using the rubber hang tag is a space-saving solution that helps to reduce clutter. Otherwise, both installation options are equally viable.

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E HEATERS2020-10-06T16:10:19-04:00

E HEATERS

SELECT AN FAQ CATEGORY

Why is my E Series heater not reaching the desired temperature?

Because an E Series heater is housed in a protective casing, it’s important to ensure it is located in an area with strong water movement. Ambient room temperature is also a factor. If the difference is more than 8 degrees Fahrenheit (approx. 3 degrees Celsius) between ambient and set heater temperature, additional heating capacity is required (add another heater or upgrade existing power).

Is the E series heater fully submersible?

Yes, the E Series heaters are fully submersible. The instructional manual specifies a minimum water level.

Why does my E Series heater sometimes flash blue in the morning?

This is due to the fact that the water temperature has dropped by one or two degrees overnight.

My heater won’t hold a temperature of 80°F (26.7°C) in my aquarium. Do I need to add more heating power?

Most likely the answer is yes. If you wish to maintain 80°F in your aquarium, you will likely need more power or begin by warming up the room itself as ambient temperature is very important. The cooler the room is, the greater the energy requirement to increase the aquarium temperature.

Why is my E series heater not reaching the desired temperature?

As E series heaters are housed in protective casings, it’s important to ensure they are subjected to strong water movement. Ambient room temperature is also a factor: if the difference between it and the heater’s set temperature is more than 6°C (10°F), additional heating capacity is likely necessary. You can either add another heater or upgrade to a more powerful unit.

Are E series heaters fully submersible?

Yes, E series heaters are fully submersible.

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