Insten Black 100W 110-120V Adjustable Aquarium Fish Tank Water Heater

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ITEM# 16302531
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    ITEM#: 16302531

    This is an Insten aquarium fish tank water heater. Provide a constant warm environment for your tropical fish to stay healthy with this aquarium water heater.

    Make your fish happy with this adjustable aquarium fish-tank water heater. The fully submersible heater includes a temperature gauge for convenient monitoring, and it maintains water temperatures between 20 and 34 degrees Celsius. The polarized plug of this double-sealed 110/120 V aquatic appliance ensures your fish's safety from shock, even in case of a leak.

    • Includes: One (1) Water Heater
    • Range of temperature adjustment: 20-34°C
    • Voltage: 110V-120V
    • Keeps the water temperature inside the tank steady
    • Easy-to-read temperature indicator
    • Sensitive and reliable thermostat maintains uniform temperature
    • Two suction cups and user manual included
    • Advanced design for freshwater or marine setups
    • Double sealed waterproof material ensures safe operation
    • Totally submersible when using
    • Polarized plug prevents electrical shock
    Available Options:
    • 100W (Heater length: 9.4-inch, Cable length: 40.2-inch)
    • 200W (Heater length: 11.4-inch, Cable length: 40.6-inch)
    • 300W (Heater length: 11.4-inch, Cable length: 40.9-inch)

    All rights reserved. All trade names are registered trademarks of respective manufacturers listed.

    California Proposition 65 Warning: This product may contain one or more chemicals known to the State of California to cause cancer, birth defects, and/or other reproductive harm.


    Material Plastic
    Pet Fish
    Dimensions n/a
    Model Number 1866217
    Country of Origin China

    Quality Rating

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    Features for Rugs

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    Product Reviews

    5 Stars
    4 Stars
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    1 Stars
    • Most Recent

    • great
      Verified Purchase

      awesome quality works well

      Read More
      Wendy D. Jan 2, 2017
    • Does the job
      Verified Purchase

      My old one was going out so I ordered this and it did the job perfectly. My fish are gone but I still have this.

      Read More
      Kailey C. Sep 27, 2016
    • awesome
      Verified Purchase

      came before expected, & works really well.

      Read More
      Helen P. Apr 27, 2016
    • Workable heater
      Verified Purchase

      This heated is rather short in size (for the watts), but keeps my tanks tempature right where I need it, 84degrees. Now I use three to keep I there on 180 gallon tank. These are great heaters for the price. Would buy more if they where in stock.

      Read More
      Mollythejack Jan 31, 2016
    • Works Good
      Verified Purchase

      Got the 300w and seems to work well and maintains a constant temp on my aquarium.

      Read More
      Stephen F. Dec 31, 2015

    Questions & Answers

    • Q:

      "I bought this and it came with no instructions,1(800) # or even the company contact information. I got a box with the product inside. How can I get the instructions mailed to me? Thank you!"

      • A:

        For assistance with this issue please contact Customer Care at the number below. U.S. and Canada Toll free: 1-800-The-BIG-O (843-2446)

    • Q:

      "I have a 20 gallon tank, and ordered the 300w. Is that too much???"

      • A:

        The suggested water volume for the 300W heating is 99 gallons. The suggested water volume for the 100W heater is 32 gallons.

    • Q:

      "What size do you recommend for a 35 gallon hexagon tank?"

      • A:

        I would recommend the 100 watt heather.

    • Q:

      "Why did you choose this product?"

      • A:

        value for the price

      • A:

        bought one from here few weeks ago and works great. needed another for my bigger tank

      • A:

        because is was cheap

      • A:

        Needed a new heater

      • A:

        We have ordered them before and they work well and are affordable.

      • A:

        One I got at the pet store broke after 6 months

      Read more Read less
    • Q:

      "I have a 5 gallon Marineland Hex tank with a Betta in it that I need a heater in. Will this be ok or will it be too big? Non adjustable heaters keep the water too cold."

      • A:

        Hello Anlafleu, i would not recommend using these heaters as they will make the tank way to hot, i would recommend using a 50 watt heater. Thanks for shopping with us!

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    Contact Information

    Usually leaves our warehouse in 1-2 business days. *

    Shipping Information:

    Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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    Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

    FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

    For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.