Eheim Thermopreset 200 Aquarium Heater 200W (3614010)

The Eheim Thermopreset 200 is a premium fixed-temperature aquarium heater designed for freshwater and marine aquariums up to 400 litres. Pre-set to the ideal aquarium temperature of 25°C, the Thermopreset removes the guesswork from temperature management — simply install it and the heater maintains a constant, precise temperature automatically. No dials to adjust, no calibration required.

With electronic temperature control, a highly efficient heating element, and a slim 28mm profile at just 253.5mm in length, the Thermopreset 200 delivers reliable, accurate performance while remaining discreet in the aquarium. Backed by Eheim's 3-year warranty, it is one of the most trusted aquarium heaters available in Australia.

Key Features

• Fixed 25°C preset temperature: Pre-set to the optimal temperature for the vast majority of tropical freshwater and marine aquarium inhabitants — no adjustment required
• Electronic temperature control: Guarantees extremely high temperature accuracy and precision — eliminates temperature fluctuations that can stress fish
• 200W heating output: Suitable for aquariums from 100L up to 400L
• Highly efficient heating element: Ensures even heat distribution throughout the water column
• Plastic protective casing: Provides high mechanical stability and impact protection — distinguishes the Thermopreset from the Eheim Thermocontrol range
• LED indicator light: Clearly shows when the heater is actively heating
• Dry-run protection: Auto shut-off activates if the heater is operated out of water — protects both the heater and the aquarium
• Slim profile: 28mm diameter, 253.5mm length — minimal visual impact even in smaller aquariums
• Suction cups included: For secure, adjustable positioning inside the aquarium
• Freshwater and marine compatible: Safe for use in all aquarium water types
• 3-year Eheim warranty: Backed by Eheim's industry-leading quality guarantee

Compatibility

• Suitable for: Freshwater and marine aquariums from 100L to 400L
• Fixed temperature: 25°C (not adjustable)
• Power: 200W / 230V

Product Details

• Brand: Eheim
• Product Code: 3614010
• Type: Fixed Temperature Aquarium Heater
• Wattage: 200W
• Fixed Temperature: 25°C
• Aquarium Size: 100L – 400L
• Length: 253.5mm
• Diameter: 28mm
• Warranty: 3 years
• Suitable For: Freshwater and marine aquariums

The Eheim Thermopreset 200 is ideal for aquarium keepers who want a reliable, set-and-forget heating solution for medium to large aquariums — without the complexity of adjustable temperature controls.