Hopar 300W LED Anti-Crack Quartz Heater (Model K-339)

Product Overview

The Hopar 300W LED Anti-Crack Quartz Heater (Model K-339) is a fully submersible digital aquarium heater designed for fresh and saltwater tanks. It features a microcomputer IC chip for accurate temperature control, an integrated LED display showing real-time water temperature, and a protective outer shell.

Key Specifications & Features

Power Output: 300 Watt (ideal for larger aquarium setups)

Temperature Range: 18°C to 34°C (64°F to 93°F) with an accuracy of ±1°C

Material: Anti-crack quartz glass tube designed to resist thermal shock

Safety & Build: Flame-proof plastic protective guard, dual waterproof sealing rings, and IPX8 submersibility rating

Display: Digital LED screen showing the current temperature and settings

Basic Operation & Safety Tips

Full Submersion: Must be placed completely underwater vertically or horizontally in an area with good water flow. Never run it dry outside of water for extended periods.

Setting the Temperature: Use the external control button to cycle through and select your target temperature. [1, 2]

Maintenance: Always unplug the heater and let it cool down for at least 15 minutes before performing water changes or removing it from the tank.

Specification	Value

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Hopar 300W LED Anti-Crack Quartz Heater (Model K-339)

Product Overview

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