Aquarium Temperature Controllers

Eheim Jager Aquarium Thermostat 100W Code: 000231

  • Suitable for freshwater and saltwater aquariums, fully submersible and safe.
  • Suitable for aquariums from 100 to 150 liters
  • Precise temperature adjustment from 18 to 34 ° C
  • Simple and safe...
  • Suitable for freshwater and saltwater aquariums, fully submersible and safe.
  • Suitable for aquariums from 100 to 150 liters
  • Precise temperature adjustment from 18 to 34 ° C
  • Simple and safe recalibration ( 2 ° C)
  • Temperature control accuracy 0.5 ° C
  • Heat is maintained at a constant level
  • Heating operation is indicated by a control light
  • Fully submersible...
See full description See full description
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Description

Description

  • Suitable for freshwater and saltwater aquariums, fully submersible and safe.
  • Suitable for aquariums from 100 to 150 liters
  • Precise temperature adjustment from 18 to 34 ° C
  • Simple and safe recalibration (± 2 ° C)
  • Temperature control accuracy ± 0.5 ° C
  • Heat is maintained at a constant level
  • Heating operation is indicated by a control light
  • Fully submersible (waterproof)
  • With automatic skewer shutdown (Thermo Safety Control)
  • A glass sleeve increases the heating surface and ensures optimal uniform heat emission

Manufacturer

See full description

Specifications

Specifications

Product Number
000231
Power
100 W

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (23)

Reviews

  1. 18
  2. 2
  3. 3 stars
    0
  4. 1
  5. 2
Review this product

Reviews by our members

From Cyprus

  • Verified purchase

    This review is about the power: 25 W

  • From other countries

  • This review is about the power: 75 W

    It works fine, stable temperature

    Translated from Greek ·
    Did you find this review helpful?
  • Catherine9854
    5
    1 out of 1 members found this review helpful

    Verified purchase

    This review is about the power: 50 W

    In general, I am satisfied, as this particular thermostat keeps the temperature of my tropical aquarium warm, steadily at 25-26 degrees Celsius. My little fish (Betta) and its tankmates (Amano shrimp and Zebra snails) are very happy. However, I would like to point out that in order for the aquarium to have this temperature, I had to set the thermostat to 30-31 degrees Celsius. At first, I was afraid I was doing something wrong and for weeks I constantly monitored the two thermometers I have in the aquarium. When I was sure that the temperature had stabilized, I relaxed and now everything is fine. Additionally, I will say something very important! With every water change I make in my aquarium, the Eheim thermostat restores the overall temperature almost immediately, even though the fresh water I add is relatively cold.

    Translated from Greek ·
    Did you find this review helpful?
  • Fotis.Stu
    5
    2 out of 2 members found this review helpful

    Verified purchase

    This review is about the power: 50 W

    The Eheim Jager 50W thermostat proved to be an excellent choice for my aquarium (about 50 liters). The build quality is evident from the very first moment – sturdy glass body, reliable and safe operation. The German reliability of Eheim is clearly visible in every detail.

    Translated from Greek ·
    Did you find this review helpful?
  • panosstb
    1
    4 out of 4 members found this review helpful

    Verified purchase

    This review is about the power: 25 W

    Set to 22 degrees, the aquarium had 25 to 26 after 2 months of operation, it rose to 32 degrees

    Translated from Greek ·
    Did you find this review helpful?
  • 1
    1 out of 1 members found this review helpful

    Verified purchase

    Unacceptable thermostat.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    This review is about the power: 50 W

    High quality.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    2 out of 2 members found this review helpful

    Verified purchase

    This review is about the power: 50 W

    It does exactly what it says.
    I recommend it.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    For the money, it's fine! It works properly!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    2 out of 4 members found this review helpful

    Verified purchase

    Perfect, I am very satisfied.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    2 out of 2 members found this review helpful

    Verified purchase

    This review is about the power: 25 W

    Excellent Quality!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    2 out of 2 members found this review helpful

    Verified purchase

    This review is about the power: 25 W

    Excellent quality & performance

    Translated from Greek ·
    Did you find this review helpful?
  • This review is about the power: 50 W

  • This review is about the power: 125 W

  • Verified purchase

    This review is about the power: 75 W

  • Verified purchase

    This review is about the power: 25 W

  • Verified purchase

  • Verified purchase

    This review is about the power: 25 W

  • This review is about the power: 50 W

  • This review is about the power: 50 W

  • This review is about the power: 25 W

  • Verified purchase

  • 0
  • It works fine, stable temperature

    Translated from Greek ·
    0
  • In general, I am satisfied, as this particular thermostat keeps the temperature of my tropical aquarium warm, steadily at 25-26 degrees Celsius. My little fish (Betta) and its tankmates (Amano shrimp and Zebra snails) are very happy. However, I would like to point out that in order for the aquarium to have this temperature, I had to set the thermostat to 30-31 degrees Celsius. At first, I was afraid I was doing something wrong and for weeks I constantly monitored the two thermometers I have in the aquarium. When I was sure that the temperature had stabilized, I relaxed and now everything is fine. Additionally, I will say something very important! With every water change I make in my aquarium, the Eheim thermostat restores the overall temperature almost immediately, even though the fresh water I add is relatively cold.

    Translated from Greek ·
    1
  • The Eheim Jager 50W thermostat proved to be an excellent choice for my aquarium (about 50 liters). The build quality is evident from the very first moment – sturdy glass body, reliable and safe operation. The German reliability of Eheim is clearly visible in every detail.

    Translated from Greek ·
    2
  • Set to 22 degrees, the aquarium had 25 to 26 after 2 months of operation, it rose to 32 degrees

    Translated from Greek ·
    4
  • See all
Questions

Questions

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Description & Specifications

  • Suitable for freshwater and saltwater aquariums, fully submersible and safe.
  • Suitable for aquariums from 100 to 150 liters
  • Precise temperature adjustment from 18 to 34 ° C
  • Simple and safe recalibration (± 2 ° C)
  • Temperature control accuracy ± 0.5 ° C
  • Heat is maintained at a constant level
  • Heating operation is indicated by a control light
  • Fully submersible (waterproof)
  • With automatic skewer shutdown (Thermo Safety Control)
  • A glass sleeve increases the heating surface and ensures optimal uniform heat emission

Manufacturer

Product Number
000231
Power
100 W

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (23)

  1. 18
  2. 2
  3. 3 stars
    0
  4. 1
  5. 2
Review this product

Reviews by our members

From Cyprus

  • Verified purchase

    This review is about the power: 25 W

  • From other countries

  • This review is about the power: 75 W

    It works fine, stable temperature

    Translated from Greek ·
    Did you find this review helpful?
  • Catherine9854
    5
    1 out of 1 members found this review helpful

    Verified purchase

    This review is about the power: 50 W

    In general, I am satisfied, as this particular thermostat keeps the temperature of my tropical aquarium warm, steadily at 25-26 degrees Celsius. My little fish (Betta) and its tankmates (Amano shrimp and Zebra snails) are very happy. However, I would like to point out that in order for the aquarium to have this temperature, I had to set the thermostat to 30-31 degrees Celsius. At first, I was afraid I was doing something wrong and for weeks I constantly monitored the two thermometers I have in the aquarium. When I was sure that the temperature had stabilized, I relaxed and now everything is fine. Additionally, I will say something very important! With every water change I make in my aquarium, the Eheim thermostat restores the overall temperature almost immediately, even though the fresh water I add is relatively cold.

    Translated from Greek ·
    Did you find this review helpful?
  • Fotis.Stu
    5
    2 out of 2 members found this review helpful

    Verified purchase

    This review is about the power: 50 W

    The Eheim Jager 50W thermostat proved to be an excellent choice for my aquarium (about 50 liters). The build quality is evident from the very first moment – sturdy glass body, reliable and safe operation. The German reliability of Eheim is clearly visible in every detail.

    Translated from Greek ·
    Did you find this review helpful?
  • panosstb
    1
    4 out of 4 members found this review helpful

    Verified purchase

    This review is about the power: 25 W

    Set to 22 degrees, the aquarium had 25 to 26 after 2 months of operation, it rose to 32 degrees

    Translated from Greek ·
    Did you find this review helpful?
  • 1
    1 out of 1 members found this review helpful

    Verified purchase

    Unacceptable thermostat.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    This review is about the power: 50 W

    High quality.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    2 out of 2 members found this review helpful

    Verified purchase

    This review is about the power: 50 W

    It does exactly what it says.
    I recommend it.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful

    Verified purchase

    For the money, it's fine! It works properly!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    2 out of 4 members found this review helpful

    Verified purchase

    Perfect, I am very satisfied.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    2 out of 2 members found this review helpful

    Verified purchase

    This review is about the power: 25 W

    Excellent Quality!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    2 out of 2 members found this review helpful

    Verified purchase

    This review is about the power: 25 W

    Excellent quality & performance

    Translated from Greek ·
    Did you find this review helpful?
  • This review is about the power: 50 W

  • This review is about the power: 125 W

  • Verified purchase

    This review is about the power: 75 W

  • Verified purchase

    This review is about the power: 25 W

  • Verified purchase

  • Verified purchase

    This review is about the power: 25 W

  • This review is about the power: 50 W

  • This review is about the power: 50 W

  • This review is about the power: 25 W

  • Verified purchase

  • 0
  • It works fine, stable temperature

    Translated from Greek ·
    0
  • In general, I am satisfied, as this particular thermostat keeps the temperature of my tropical aquarium warm, steadily at 25-26 degrees Celsius. My little fish (Betta) and its tankmates (Amano shrimp and Zebra snails) are very happy. However, I would like to point out that in order for the aquarium to have this temperature, I had to set the thermostat to 30-31 degrees Celsius. At first, I was afraid I was doing something wrong and for weeks I constantly monitored the two thermometers I have in the aquarium. When I was sure that the temperature had stabilized, I relaxed and now everything is fine. Additionally, I will say something very important! With every water change I make in my aquarium, the Eheim thermostat restores the overall temperature almost immediately, even though the fresh water I add is relatively cold.

    Translated from Greek ·
    1
  • The Eheim Jager 50W thermostat proved to be an excellent choice for my aquarium (about 50 liters). The build quality is evident from the very first moment – sturdy glass body, reliable and safe operation. The German reliability of Eheim is clearly visible in every detail.

    Translated from Greek ·
    2
  • Set to 22 degrees, the aquarium had 25 to 26 after 2 months of operation, it rose to 32 degrees

    Translated from Greek ·
    4
  • See all
29,40 €
4,50 €   shipping cost