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Tetra HT Submersible Aquarium Heater

4.1 out of 5 stars 1,740 customer reviews

Price: $16.22 Free Shipping for Prime Members
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100-watt
  • All Tetra HT heaters have indicator lights to let you know when the heater is on. It will be red when heating and green when the proper temperature has been reached.
  • The HT20 uses a built in electronic theromstat to automatically maintain water at 78° F which is ideal for most tropical fish. No adjustment is requried.
  • Ideal for aquariums between 10 to 30 gallons with hoods or glass canopies
  • The HT heater is fully submersbile and can be installed vertically or horizontally. It's small footprint makes it easy to conceal behind plants or other décor.
  • Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium.
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Frequently bought together

  • Tetra HT Submersible Aquarium Heater
  • +
  • Marina Floating Thermometer with Suction Cup
  • +
  • Tetra Whisper Air Pump (Non-UL)
Total price: $30.67
Buy the selected items together

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Size: 100-watt
  • Buy Used and Save: Buy a Used "Tetra 26446 Submersible Aquarium Heater, 100-Watt" and save 66% off the $30.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

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Product description

Size:100-watt

All Tetra HT heaters have red/green indicator lights to let you know when the heater is heating(red) or on standby(green). The low voltage thermostat maintains water at 78°F without any adjustment required. Be sure purchase the correct heater for your tank size. Buying a heater too small for your tank can cause under heating. It is critical to ensure your tank is equipped with a hood or glass canopy to contain the heat inside the aquarium. All Tetra HT Heaters will shut off if an electrical short is detected for your safety.


Product details

Size: 100-watt
  • Product Dimensions: 1.6 x 3.5 x 8.2 inches ; 8.8 ounces
  • Shipping Weight: 7.2 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B000OQRJSG
  • Item model number: 26446
  • Average Customer Review: 4.1 out of 5 stars 1,740 customer reviews
  • Amazon Best Sellers Rank: #2,002 in Pet Supplies (See Top 100 in Pet Supplies)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Important information

Directions
HT Submersible Heater (100 Watt) The new Tetra HT30 submersible heaters for aquariums ranging from 2 to 30 gallons are easy to use. The electronic thermostat automatically adjusts heat output to keep the water at a constant 78°F. All you have to do is place in the aquarium and plug it in

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Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (1740) 3 out of 5 stars (762) 4 out of 5 stars (1180) 4 out of 5 stars (153) 3 out of 5 stars (279) 3 out of 5 stars (454)
Price $16.22 $17.40 $26.39 $12.00 $11.97 $14.39
Shipping FREE Shipping FREE Shipping $6.99 FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Petco Pet Resources Amazon.com Amazon.com
Item Dimensions 3.5 x 1.63 x 8.25 in 12.3 x 3.8 x 1.5 in 14 x 4 x 2 in 1.5 x 3.5 x 7.75 in 1.5 x 8 x 3 in 2.25 x 3.5 x 9.27 in
Size 100-watt 100 Watt 100 Watt 100-watt 100W - Up to 20 Gal 100 Watt

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on December 3, 2016
Size: 50-watt|Verified Purchase
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on October 7, 2017
Size: 50-watt|Verified Purchase
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on October 4, 2016
Size: 100-watt|Verified Purchase
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on March 20, 2017
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on April 14, 2017
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on July 17, 2017
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