---overtemperature protection;
---quartz explosion-proof;
---Off-water blackout protection;
---Mechanical temerature control.
Fully submersible
Thermo safey control protects against running dry
Will automatically turn off when water level dips too low
TruTemp dial recalibrates the heater for precise temperature regulation
Made of shock resistant and shatter proof glass for fresh or marine water
On/Off indicator light for at-a-glance monitoring