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Heater Constant, 75 W

100% electronic adjustable heater for aquaria
  • Fully electronic control heater for fresh- and saltwater aquaria
  • Temperes the water to 25 °C | 77 °F
  • Ultra-compact design - ideal for nano aquaria
  • Break resistant plastic housing
  • Safe due to electronic overheating protection

Heater Constant, 50 W

100% electronic adjustable heater for aquaria
  • Fully electronic control heater for fresh- and saltwater aquaria
  • Temperes the water to 25 °C | 77 °F
  • Ultra-compact design - ideal for nano aquaria
  • Break resistant plastic housing
  • Safe due to electronic overheating protection

Heater Constant, 35 W

100% electronic adjustable heater for aquaria
  • Fully electronic control heater for fresh- and saltwater aquaria
  • Temperes the water to 25 °C | 77 °F
  • Ultra-compact design - ideal for nano aquaria
  • Break resistant plastic housing
  • Safe due to electronic overheating protection

Variations

Size
35 W 75 W 50 W
Thanks to the flat and compact design, the heaters can be optimally hidden in the aquarium and are therefore ideal for Nano aquaria. The housings are made of non-breakable special plastic. The temperature is fixed at 25 °C | 77 °F – ideal for most aquarium inhabitants originating from tropical regions, including fighting fish (Betta splendens). Due to the high control accuracy, the water temperature remains constant and protects all aquarium inhabitants from adverse temperature fluctuations. The wide, flat heating element emits the heat gently and over a large area.

Specification

Product information

Product name Heater Constant, 75 W
Article number 4017
For Aquaria 55 – 75 L | 14.5 - 19.8 US. Gal

Dimensions

Height 116 mm | 4.57 in
Width 46 mm | 1.81 in
Depth 16 mm | 0.63 in

Technical data

Voltage / Frequency 220 – 240 V – 50 Hz
Power cord length 1.42 m | 55.9 in
Temperature pre-set 25 °C | 77 °F
Precision ca. +/- 1 °C
Wattage 75 W
Net weight 203 g | 7.16 oz

Guides

Types of aquaria

Beginner Guide – Part 1

Beginner Guide – Part 2

Beginner Guide – Part 3

Expansion stages for a compressed gas system

What do I need carbon dioxide for?

Overview of aquarium energy consumption

Thanks to the flat and compact design, the heaters can be optimally hidden in the aquarium and are therefore ideal for Nano aquaria. The housings are made of non-breakable special plastic. The temperature is fixed at 25 °C | 77 °F – ideal for most aquarium inhabitants originating from tropical regions, including fighting fish (Betta splendens). Due to the high control accuracy, the water temperature remains constant and protects all aquarium inhabitants from adverse temperature fluctuations. The wide, flat heating element emits the heat gently and over a large area.

Specification

Product information

Product name Heater Constant, 50 W
Article number 4016
For Aquaria 35 – 55 L | 9 - 14.5 US. Gal

Dimensions

Height 116 mm | 4.57 in
Width 46 mm | 1.81 in
Depth 16 mm | 0.63 in

Technical data

Voltage / Frequency 220 – 240 V – 50 Hz
Power cord length 1.42 m | 55.9 in
Temperature pre-set 25 °C | 77 °F
Precision ca. +/- 1 °C
Wattage 50 W
Net weight 200 g | 7.05 oz

Guides

Types of aquaria

Beginner Guide – Part 1

Beginner Guide – Part 2

Beginner Guide – Part 3

Expansion stages for a compressed gas system

What do I need carbon dioxide for?

Overview of aquarium energy consumption

Thanks to the flat and compact design, the heaters can be optimally hidden in the aquarium and are therefore ideal for Nano aquaria. The housings are made of non-breakable special plastic. The temperature is fixed at 25 °C | 77 °F – ideal for most aquarium inhabitants originating from tropical regions, including fighting fish (Betta splendens). Due to the high control accuracy, the water temperature remains constant and protects all aquarium inhabitants from adverse temperature fluctuations. The wide, flat heating element emits the heat gently and over a large area.

Specification

Product information

Product name Heater Constant, 35 W
Article number 4015
For Aquaria 10 – 35 L | 2.6 - 9 US. Gal

Dimensions

Height 86 mm | 3.39 in
Width 46 mm | 1.81 in
Depth 16 mm | 0.63 in

Technical data

Voltage / Frequency 220 – 240 V – 50 Hz
Power cord length 1.42 m | 55.9 in
Temperature pre-set 25 °C | 77 °F
Precision ca. +/- 1 °C
Wattage 35 W
Net weight 158 g | 5.57 oz

Guides

Types of aquaria

Beginner Guide – Part 1

Beginner Guide – Part 2

Beginner Guide – Part 3

Expansion stages for a compressed gas system

What do I need carbon dioxide for?

Overview of aquarium energy consumption