Aquatop's TH-C800 800 watt fully submersible titanium heater offers a durable design for diverse placements and are long lasting thanks to their titanium heating element construction. This 800 watt titanium heater treats up to 270 gallons of water. The Aquatop 800W Titanium Heater is the heater only and does not include a thermostat or controller. In order to use this heater, you must power it via a temperature controller.  If you do not have a controller, select the Ink Bird Digital Temperature Controller below.