UPETTOOLS Aquarium Heater 50W/100W/200W/300W – Submersible Fish Tank Heater with Digital LED Display & External Controller, Dry-Run and Overheat Protection, for Freshwater, Saltwater, Reef Tanks
Aquarium Heater for 20–40 Gallon Tanks：Ideal for freshwater and saltwater aquariums, this 200-watt submersible heater maintains stable water temperature in tanks up to 40 gallons. Perfect for betta fish, shrimp, turtles, and tropical fish. Includes 5.35 ft power cord for flexible placement.
Intelligent Error Code Display for Safety：Aquarium heater LED screen shows real-time alerts: E1 = heater is out of water (auto power-off), E2 = sensor open circuit, E3 = water temperature exceeds 95°F (35°C). These smart diagnostics help you respond quickly and protect your aquatic life.
External Digital LED Controller with Clear Display：The external digital controller displays real-time water temperature in °F or °C (68–93°F / 20–34°C) via bright red LED digits. Mount it on the tank edge using the included bracket—adjust temperature without getting your hands wet.
Explosion-Proof Quartz Glass Design：Constructed with thickened explosion-proof quartz glass and high-temperature resistant materials, this heater resists cracking and corrosion. The reinforced black ABS shell provides excellent insulation, protecting your hands and fish from burns.
Easy Installation & Safe Use：Includes 3 strong suction cups and mounting bracket for secure installation on tank walls. Install vertically in fish tanks, horizontally in turtle tanks. Do not bury in substrate. Press and hold button 3 seconds to switch between °F/°C.
We guarantee resolution. Contact our 24/7 support team immediately with photos. We will arrange a replacement at no extra cost or process a full refund.
We prioritize superior craftsmanship. Every piece in our collection undergoes a multi-point quality check to meet our high standards for durability and design.
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We offer effortless returns. If you are not completely satisfied, you can initiate a return within 30 days of delivery. Please see our full policy for details.
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
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