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Aquael Comfort Zone 500W Heater Gold

Quick Overview

An automatic heater for very large freshwater and marine aquariums. The plastic housing protects the heater from breaking and the inhabitants of the tank from getting scalded. Recommended for aquariums in which large and strong fish are kept.

Product Code: 102401Category:

Product Description


Heaters with the highest quality standard.


ZONE GOLD glass aquarium heater with thermostat which contacts are

covered with a layer of genuine gold.

Traditional glass aquarium heaters consist of a thermostat, contacts and a heating

spiral. The thermostat controls the aquarium water temperature and, if the need

arises, connects or disconnects the contacts, turning the heating spiral on or off.

The most sensitive elements of the circuit are the contacts – despite of using

electronic support, due to metal oxidation, their surface is over time subject to

gradual decay. That mechanism shortens the life span of the heater and lowers

the accuracy of water heating.

In the newly presented, revolutionary AQUAEL heater – COMFORT ZONE GOLD –

we managed to eliminate that issue. The contacts in that device are galvanically

covered with a layer of genuine gold. The metal is highly chemically inert and

is practically not subject to oxidization. Application of that solution significantly

extended the heater life span maintaining at the same time the accuracy of its

operation. It guarantees many years of failure-free operation and complete thermal

safety of the animals inhabiting the aquarium. In care of the highest quality of

manufacturing, each single unit is computer-tested in professional AQUAEL laboratory

prior to being passed to the hands of the user. The accuracy of thermostat

operation is 1°C.

New COMFORT ZONE GOLD heaters are available in eight versions of wattages:

25 W, 50 W, 75 W, 100 W, 150 W, 200 W, 250 W and 300 W. They can therefore be

used in virtually any size aquarium, both freshwater as well as salt water one.


  • gilded contacts guarantee long life span of the device
  • electronic thermorelay ensures accurate temperature
  • stepless regulation of temperature in wide range
  • each piece computer-tested


AQUAEL has launched yet another novelty product: the COMFORT ZONE GOLD

500 W aquarium heater designed for use in very large tanks.

The new COMFORT ZONE 500 W heater consists of two heating modules

enclosed into an openwork plastic housing that is durable and resistant to

mechanical damage. The device is equipped with a high-precision thermostat

for setting the temperature within the range of 18-32°C, with a precision of

±1°C. The electronically assisted contacts of the heater are plated with gold

for increased wear resistance and longevity. The spirals of the heating modules

are wound around ceramic heatsinks with excellent heat dissipation. Before

being dispatched to customers, each heater undergoes computer-assisted

testing to insure highest possible precision of operation.

The new COMFORTZONE GOLD 500 W heaters are recommended for use

in very large aquarium tanks with a capacity of 300 and up to 1000 litres,

including tanks inhabited by big and strong fish (and turtles) that could break

a conventional heater. The plastic housing protects the heater from breaking.

They are also perfectly suited for aquariums with fish that are particularly

prone to burns, such as scaleless catfish, river stingrays, and armoured catfish,

whose snouts are very delicate. The heater guarantee both precision of

operation and full safety of all the inhabitants of your aquarium.

  • durable openwork housing made of plastic
  • does not cause burns in fish
  • resistant to mechanical damage
  • high-precision thermostat
  • gold-plated contacts = durability and long service life
  • ceramic heatsinks = excellent heat dissipation
  • each specimen undergoes computer-assisted testing



Aquael Aquarium Products

AQUAEL Introduction AQUAEL PRODUCTS DESIGNED AND MADE IN POLAND For over 35 years now, AQUAEL has been manufacturing everything required for setting up and maintaining a Freshwater Aquarium or a Garden Pond. More and more products are also aimed at the keepers of Marine Aquariums. Our major product groups include aquarium filters, heaters, lids with inbuilt lighting, fully equipped aquarium sets, and aerators. A special emphasis is placed on the implementation of innovations and unique technological solutions. The latest achievement of AQUAEL is ULTRAMAX, probably the best aquarium canister filter in the world. Great Video Introducing a Customer to the Quality of Aquael - https://www.youtube.com/watch?v=ArlTTcGbl6A