Eheim 3619090 Jager Aquarium Thermostat Heater 300W, Black

Heater is meant for Tanks between 159-264 Gallons. Size of Heater is 20” X 1.4” Diameter Fully submersible, will automatically turn off when water level dips too low. Thermo safey control protects against running dry. Made of shock resistant and shatter proof glass for fresh or marine water. On/Off indicator light for at-a-glance monitoring. From the manufacturer 19" rod for aquariums 159 - 264 gallons Calibrating your Eheim Jager Heater The reason Jager heaters have a reputation for being the most accurate heaters available is the ability to recalibrate the heater. The factory setting should be reasonably close but if you moved either the red arrow or the blue dial before reading the instructions you may need to recalibrate the heater. Features a shatterproof glass construction TruTemp dial adjusts from 65° to 93° F Thermo safety control enables 'running dry' protection On/off indicator light verifies heater functions Includes mounting bracket and suction cups Simple and safe recalibration (±2 °C) Generous 5.6 foot cord Eheim Jager TruTemp Submersible Heater 300 Watts Precisely regulated, constant water temperature is very important for the comfort and success of your aquarium inhabitants. The Jäger TruTemp adjustable heater is an ultra-modern electronic thermal device offering today's best technology. Designed for use in both freshwater and saltwater aquarium, Jäger TruTemp fully-submersible heaters include these great features: Shatterproof glass construction - Made with laboratory-grade glass, TruTemp heaters are free of pollutants, resistant to chemical and biological substances, and able to withstand extreme temperature fluctuations. Their glass jackets also enlarge the heating surface and ensure even heat distribution. TruTemp Dial - Temperature can be precisely adjusted from 18° to 34° C (65° to 93° F). Using the TruTemp dial with readjustment ring, the user can recalibrate the heater for a precise temperature reading. Control accuracy is +/- 0.5° C. Thermo Safety Control - This safety mechanism enables 'running-dry' protection. The heater will shut off when removed from the water, and resume functioning upon return. On/Off Indicator Light - This convenient feature eliminates guessing and enables the user to verify heater function without getting their hands wet! Each Jäger TruTemp Heater also includes a mounting bracket and suction cups for secure and flexible placement within your aquarium system. Lastly, an extra long power cord accommodates most applications.