Oase Heatup 400
Oase Heatup 400

Oase Heatup 400

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Standard shipping on orders is calculated at check out.

Estimated deliverey on items is 10 business days.

Oase HeatUp 400 Aquarium Heater 400w for aquariums up to 400 litres

Precision Temperature Control

  • Accurate temperature adjustments – Temperature scale can be adjusted between 19°C – 32°C. A secondary control knob allows for precise readjustment of the temperature within +/- 3°C

  • Uniform temperature levels – Temperature levels are monitored and controlled by bi-metal technology for automated heating. Includes a thermal shutoff switch for added protection.

  • Durable – High quality, double insulated quartz glass. Created to withstand greater temperature fluctuations than glass.

  • Filter integration capabilities – Integrate HeatUp 50-300 into OASE filters to combine filtration and heating into one location.

  • Heating function is displayed via activated control light

  • Easy to install with the use of the included holder with suction cups

  • Made in Italy, backed by German engineering

  • Fresh and marine water compatible

  • 3 year warranty

What’s in the Box

Aquarium heater, holder with suction cups and integrated post calibration tool, and power cord


  • Suitable for aquariums up to max.     400L
  • Dimensions (L x W x H)    mm    23 x 440
  • Rated voltage        230 V / 50 Hz
  • Power consumption      400 W
  • Power cable length   1.50m
  • Net Weight kg    0.33
  • Guarantee    Years    3
  • Suitable for freshwater        Yes
  • Suitable for saltwater        Yes
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
if you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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