The Eheim Thermocontrol (E) Heater is engineered to provide your aquarium with precise and reliable temperature control, ensuring a stable environment for both freshwater and saltwater setups. The heater is fully submersible and sealed for optimal safety, featuring a control lamp to indicate when your desired temperature is reached. With an adjustable temperature range of 20 °C to 32 °C and control accuracy within ± 0.5 °C, this device promises your marine or freshwater inhabitants consistent comfort.

The advanced electronics and special laboratory glass coating enhance the heating surface and contribute to even heat distribution, safeguarding your aquatic ecosystem. The dry-running protection, known as Thermo Safety Control, prevents overheating and further secures your aquarium setup.

The Eheim Thermocontrol (E) Heater is available in various wattages to accommodate different aquarium sizes, making it a versatile choice for hobbyists and professionals alike. Each model comes with a convenient cable length of approximately 170 cm and includes a double suction holder for easy installation.

• Precise temperature adjustment from 20 °C to 32 °C
• Control accuracy within ± 0.5 °C
• No readjustment necessary, fully submersible design
• Includes dry-running protection (Thermo Safety Control)
• Compatible with both freshwater and saltwater

Designed for both beginner and expert aquarists, the Eheim Thermocontrol (E) Heater combines ease of use with high-performance standards. Its robust engineering ensures long-lasting reliability, supported by a 3-year warranty for peace of mind.

• Power: Available from 25 watts to 400 watts
• Suitable for aquariums ranging from 20 to 1,200 litres
• Height ranges from 233 mm to 496 mm
• Diameter: 36 mm
• Cable length: 170 cm
• Freshwater/saltwater compatibility: Yes/Yes

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.