Jager Aquarium Heater - 250W - 106 to 159 gal.

3 Reviews
SKU: 249515
Manufacturer: Eheim
MPN: AEH3618090

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New and improved design is now fully submersible! Automatic aquarium heater is for both fresh and saltwater aquariums. Unit has a precision bi-stable thermostat with plus or minus 1/2 degree F holding temperature. Temperature is now easier to set with a new dial and accurate 1 in. increments from 65 to 93 degrees. Jagers have a 2mm thick thermal shock resistant glass vs. the common 1mm thickness for and extra sturdy construction. Heater also includes a 6 foot double insulated power cord, and a convenient clip-on heater holder.


Temperature Range65 to 93 F. degrees
WarrantyHeater has a 3 year warranty against defects in materials and workmanship.
UL ListedYes
Internal Id


Click here to download the instruction manual from the manufacturer's website.

Ratings & Reviews

3 reviews

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jager heater


so far so good i have it a month is works fine

Better options


Not the best heater out there. Seems to be underpowered for me and not able to heat a 125 as advertised. I have it on a 90 now and it seems to be working fine. Better options out there such as Aquien.

jager heater


one 250-300 watt heater will heat a 125 gallon tank and keep it there. strong. BUT, adjusting the temp is as confusing as it gets.