Pawfly 20 W Mini Submersible Aquarium Heater, 1.5-3 Gallon Fish Tanks Heater Betta Heater with Thermostat, Submersible Fishs Tank Heater, Small Aquarium Heaters for Saltwater and Freshwater

About this item

• Precise Temperature Control: This intelligent mini heater maintains optimal tank temp at 78.8 °F with ±3.6 °F accuracy. Smart PTC technology automatically triggers heating when water drops below 77 °F and safely shuts off at 93.2 °F to prevent overheating
• Enhanced Security: Double-layer waterproof sealing with a reinforced shell makes this betta heater ultra-safe compared to fragile glass heaters. The innovative split-chamber design separates heating and control components, promoting even heat distribution
• Compact Size: Measuring only 2" L x 0.5" W x 2.6" H, this space-saving submersible aquarium heater works perfectly in water as shallow as 0.8 inches when positioned horizontally. Its minimal footprint maximizes swimming space for your fish
• Easy Installation: The 3 strong suction cups and generous 5.3-foot cord allow flexible placement of this heater for fish tanks. Simply attach it to your tank wall or bottom and plug in. (NOTE: Keep the heater fully submerged during operation!)
• Wide Application: This submersible fish tank heater is ideal for 1.5 - 3 gallon freshwater and saltwater aquariums – betta bowls, turtle tanks, paludariums, and more. Maintain consistent comfort for all your aquatic pets year-round

Overview

• Brand: Pawfly
• Material: Plastic
• Included Components: Controller, Heater
• Model Name: CW4710
• Manufacturer: Pawfly
• Unit Count: 1.0 Count
• Package Dimensions ‏: ‎ 3.94 x 3.39 x 2.05 inches; 4.97 ounces
• Item model number ‏: ‎ CW4710
• Date First Available ‏: ‎ August 19, 2025
• Manufacturer ‏: ‎ Pawfly
• ASIN ‏: ‎ B0FMYJVJ3Y
• Best Sellers Rank: #112,302 in Pet Supplies (See Top 100 in Pet Supplies) #208 in Aquarium Heaters
• Customer Reviews: 3.9 3.9 out of 5 stars (124)