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    Hydor External heater

    Hydor External heater

    • Is installed outside the tank
    • The desired temperature can be adjusted precisely
    • Fits all standard external filters
    • Fits 16/22 mm hose
    In stock, only 20 left
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    First and unique external heater for aquariums with the exclusive PTC (Positive Thermal Coefficient) technology. The self-limiting PTC heating element guarantees maximum safety against any risk of overheating. The exclusive technology and the high quality of the components guarantee a long lasting product. Suitable for canister filters and sump tanks.


    • External heating element 300 W with PTC system, suitable for all external filters
    • absolutely safe - no risk of breakage or explosion in case of running dry
    • The patented heating element consists in the exclusive PTC system. Here, standard metal heating coils have been replaced by a plastic foil coated with resistant aluminium paste
    • electronically controlled temperature regulation with function display


    External heater - 200 W - 13 mm
    Height30 cm
    Diameterapprox. 8 cm
    Fits hose13 mm or 12/16 mm
    External heater - 200 W - 17 mm
    Height30 cm
    Diameterapprox. 8 cm
    Fits hose17 mm or 16/22 mm
    External heater - 300 W - 17 mm
    Height30 cm
    Diameterapprox. 8 cm
    Fits hose17 mm or 16/22 mm


    Power8°C heat up10°C heat up
    200 Watt100 - 200 Litres100 - 180 Litres
    300 Watt200 - 300 Litres180 - 250 Litres


    Hydor has a vast product range containing high-quality filters, pumps and heaters that are technically up to date. Especially in aquascaping, the focus ought to be on the layout inside the tank and not on the technical equipment, e.g. the adjustable heater. External heaters by Hydor make it possible to place another part of the technical equipment you need for a planted tank outside your aquarium.

    General information

    Item no.123.0001.02
    Weight0,50 kg
    Shipping weight0,50 kg

    Customer reviews

    This item has been rated 4.6 out of 5 stars
    16 Reviews
    Please sign in if you want to write a review.
    5 Stars(13)
    4 Stars(2)
    3 Stars(0)
    2 Stars(0)
    1 Star(1)
    Norman Z.
    Super Technik
    31st December 2014
    Hydor - External heater - 200 W - 13 mm
    Hydor - External heater - 200 W - 13 mm

    Ich wollte mein Aquarium Technik frei diesem Heizer hab ich es hat zwar 200 Watt,trotzdem ist er geeignet für mein 50er scapers Tank. (mehr lesen)

    Burkhard B.
    16th June 2013
    Hydor - External heater - 300 W - 17 mm
    Hydor - External heater - 300 W - 17 mm

    Sehr schnell einzubauen und man hat mehr Platz im Aquarium.

    Sascha z.
    25th June 2012
    Hydor - External heater - 200 W - 13 mm
    Hydor - External heater - 200 W - 13 mm

    Top Qualität betreibe den Heizer an einem 25l Becken Funzt Super läuft auch fast Waagerecht , schaltet natürlich öfters bei der kleinen liter zahl ist auch zu hören , aber stört... (mehr lesen)