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.
