The Visi-Therm Submersible heater is our most
reliable heater.
Water-calibrated to ensure precise temperature selection and superior
performance, the Visi-Therm Deluxe delivers the ultimate in direct-set
control, compact double-sealed durability...and certified accuracy to
within one degree. With a simple "click" of the dial, you choose
the ideal water temperature. The custom Double-Suction Mounting Bracket
features an adjustable three-position window that ensures easy-to-view
temperature setting. And, of course, every Visi-Therm Deluxe is CSA
listed... designed to exacting standards for extended submersion and
operational safety.
Visi-Therm
Deluxe Submersible Aquarium Heater
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How to determine the heater size you need for your aquarium |
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| SKU | Aquarium Size | Heater Size* |
| 803050 Price/Buy |
5 gal | 25 watts |
| 803100 Price/Buy |
5-20 gal | 50 watts |
| 803200 Price/Buy |
5-25 gal | 75 watts |
| 803300 Price/Buy |
10-40 gal | 100 watts |
| 803400 Price/Buy |
20-50 gal | 150 watts |
| 803500 Price/Buy |
25-65 gal | 200 watts |
| 803600 Price/Buy |
50+ gal | 250 watts |
| 803700 Price/Buy |
55+ | 300 watts |
| * Suggested heater size is based on
approximately 3 watts per gallon of water in normal room
temperatures of 68-70° F. |
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