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Each THD heater uses durable titanium paired with an internal industry-standard quartz sleeve for steady
high quality ABS with the water flow of 52 gallon per hour
keeping the water temperature stable (± 1°F accuracy) while avoiding wide temperature swings common with low-quality aquarium heaters
Efficient Performance: Fast response means stable tank temps
Replacement IR Circuit Board Finnex Each THD heater uses durableIf your fixture is flashing, shows sign of heavy water damage near the endcap, or not responding to your remote's commands, you may need a replacement IR board. To determine if the IR board on your LED fixture is needing to be replaced: 1. Test the power supply: Using a multimeter, ensure the output voltage is reading 15VDC. If reading 15VDC, your IR board may be faulty. 2. Test the remote: Change the batteries within the remote to new ones. Using