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Eheim

Jager TruTemp Submersible Heater - 300 W

SKU# 8580


Availability: In stock

Regular Price: $34.99

Special Price: $23.99

Quick Overview


  • Recommended for tanks 159-264 Gallon

  • Adjustable from 65-93'F

  • Readjustment ring allows the user to calibrate the heater for a precise temperature reading

  • LED on/off light indicates when heater is operating

  • Fully submersible

Jager TruTemp Submersible Heater - 300 W
Details
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 accomodates most applications.

Jäger TruTemp 300 Watt Heater

Temperature Range: 18° to 34° C (65° to 93° F)
Tank Rating: 159-264 gallons
Dimensions: 20" Length / 1.4" Diameter
Wattage: 300W
Hertz: 60Hz
Voltage: 120V
Additional Information
SKU 8580
MPN 3619090
UPC 720686361591
Brand Eheim
Total Watts 300 W
Dimension 20" x 1.4" dia.
Power Cord Length 5 ft 6"
Reviews

REVIEW SNAPSHOT®

by PowerReviews
EheimJager TruTemp Submersible Heater - 300 W
 
4.2

(based on 31 reviews)

Ratings Distribution

  • 5 Stars

     

    (17)

  • 4 Stars

     

    (9)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (3)

87%

of respondents would recommend this to a friend.

Pros

  • Good value (25)
  • Durable (22)
  • Effective (21)
  • Easy to use (20)
  • Safe (15)

Cons

  • Doesn't work (3)

Best Uses

  • Freshwater tanks (22)
  • Large aquariums (18)
  • Saltwater tanks (9)
  • Small aquariums (8)
    • Reviewer Profile:
    • Experienced aquarist (19), Casual fish keeper (6), Beginner (3)

Most Liked Positive Review

 

Best I've ever had

Amazing. Over the winter it helped me maintain a steady temperature of 79F in a 100 Gallon. Does it's job. Long lasting. In the winter I had it set to 86F but it...Read complete review

Amazing. Over the winter it helped me maintain a steady temperature of 79F in a 100 Gallon. Does it's job. Long lasting. In the winter I had it set to 86F but it was only heating to 79F, !**BUT**! I only had one heater though when I should have two on opposite sides of the tank. Once summer comes it heats to what it's set at. (Tank is in basement) Harder to notice in a tank.

VS

Most Liked Negative Review

 

Good quality heater.

I'm using this for my 55 gal tank and its perfect. The only problem I have with the recalibration. After a month of using, the temp on the dial doesn't really reflacts the...Read complete review

I'm using this for my 55 gal tank and its perfect. The only problem I have with the recalibration. After a month of using, the temp on the dial doesn't really reflacts the actual temp of the water. I called back BigAl's and i was told to recalibrate the heater. The instructions is sent to me via email... it doesn't really show me the correct temp after the calibration. For example, the dial is at 83'F and the actual water temp is stable at 78'F. So, its off by like 5 degrees.

Reviewed by 31 customers

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4.0

Would buy for another tank

By Amelcorn

from Harriman TN

About Me Experienced Aquarist

Verified Buyer

Pros

  • Easy to Use
  • Effective
  • Good Value

Cons

    Best Uses

    • Freshwater Tanks
    • Large Aquariums
    • Saltwater Tanks
    • Small Aquariums

    Comments about Jager TruTemp Submersible Heater - 300 W:

    Easy to use. Just set the temp you want and keep track for a day or two

     
    4.0

    These are the best! (usually)

    By astrophys

    from salt lake city

    About Me Experienced Aquarist

    Verified Buyer

    Pros

    • Easy to Use
    • Good Value

    Cons

      Best Uses

      • Freshwater Tanks
      • Large Aquariums
      • Saltwater Tanks

      Comments about Jager TruTemp Submersible Heater - 300 W:

      This is one of the better heaters I've used. The longer shaft design gives much better heat dissipation for better efficiency (yea, you'll say it takes the same amount of energy to heat water but how you use it is just as important as how much you use it). It heats the tank with lower power usage than other heaters. 300 watts for a 150 gallon tank? Yes, it works.

       
      5.0

      Best heater available

      By Ed

      from Michigan

      About Me Experienced Aquarist

      Verified Buyer

      Pros

      • Durable
      • Easy to Use
      • Effective
      • Good Value
      • Safe

      Cons

        Best Uses

        • Freshwater Tanks
        • Large Aquariums

        Comments about Jager TruTemp Submersible Heater - 200 W:

        I run jagers on all of my aquariums. They are relatively cheap and bulletproof in my opinion. I have had one running without missing a beat for about 2 years (75 gallon community) and another for about a year (90 gallon chiclid). I was originally attracted to this product because of my uncle. He's has about 1,000 gallons with of aquariums in his home and running jagers in every one of them, he has been keeping for many years and never had an issue.

         
        1.0

        Bought in October 2013, RMA June 2014

        By chevyguy

        from St. Catharines, Ontario Canada

        About Me Experienced Aquarist

        Pros

        • Good Value

        Cons

          Best Uses

          • Freshwater Tanks
          • Large Aquariums
          • Saltwater Tanks
          • Small Aquariums

          Comments about Jager TruTemp Submersible Heater - 300 W:

          The product lasted only a few months, all of the foam insulation on the inside of the heater has evaporated, and the unit has stopped working. Big Als customer service was great, and will ship out another one.

           
          5.0

          Best I've ever had

          By Oscar Fish Lover

          from Canada

          About Me Experienced Aquarist

          Pros

          • Durable
          • Effective
          • Good Value
          • Long Lifetime In Tanks

          Cons

            Best Uses

            • Freshwater Tanks
            • Large Aquariums

            Comments about Jager TruTemp Submersible Heater - 200 W:

            Amazing. Over the winter it helped me maintain a steady temperature of 79F in a 100 Gallon. Does it's job. Long lasting. In the winter I had it set to 86F but it was only heating to 79F, !**BUT**! I only had one heater though when I should have two on opposite sides of the tank. Once summer comes it heats to what it's set at. (Tank is in basement) Harder to notice in a tank.

            (0 of 1 customers found this review helpful)

             
            4.0

            something to consider

            By Achilles

            from St. Louis, MO

            About Me Experienced Aquarist

            Verified Reviewer

            Pros

            • Durable
            • Easy to Use
            • Good Value
            • Safe

            Cons

            • Slow Reacton Timetemp
            • Slow Temp Reaction Time

            Best Uses

            • Freshwater Tanks
            • Large Aquariums

            Comments about Jager TruTemp Submersible Heater - 100 W:

            inexpensive, and energy saving, but beware these are slower to notice temperature change than other heaters so if you are doing water changes and refilling the tank with a siphon that hooks up to the sink this and have a tank smaller than 100 gallons this might not be the product for you!

            (1 of 1 customers found this review helpful)

             
            5.0

            Great heater

            By Fishy MCDoodle

            from Kitchener, ON

            About Me Casual Fish Keeper

            Pros

            • Effective
            • Good Value
            • Safe

            Cons

              Best Uses

              • Freshwater Tanks
              • Large Aquariums
              • Small Aquariums

              Comments about Jager TruTemp Submersible Heater - 50 W:

              Upgraded to this from another heater, this one is much better. The calibration bothers some people but once I figured it out, I've realized how consistent this heater is. Very happy I switched over to the Eheim.

              (1 of 1 customers found this review helpful)

               
              4.0

              Great heater for a small tank

              By Shrimper

              from Brooiklyn

              About Me Long-time Pet Owner

              Verified Buyer

              Pros

              • Tough

              Cons

                Best Uses

                • Smaller Pets

                Comments about Jager TruTemp Submersible Heater - 50 W:

                The heater works very well. Accurate and good size

                (1 of 1 customers found this review helpful)

                 
                5.0

                The Best

                By Innoculo

                from Dallas

                About Me Long-time Pet Owner

                Verified Reviewer

                Pros

                • Calibration Knob
                • Good Value
                • OnOff Indicator
                • Reliable
                • Stable Temps
                • Tough
                • Versatile

                Cons

                • Not a sexy choice

                Best Uses

                • Fresh Water
                • Salt Water

                Comments about Jager TruTemp Submersible Heater - 300 W:

                The only heaters I've ever used. Had 4 over 10 years and no problems what so ever. They just work.

                I know people who go through heaters left and right while my original 10 year old Jager is still trucking.

                (1 of 1 customers found this review helpful)

                 
                5.0

                Excellent Heater

                By Ed Sorrenson

                from Arizona

                About Me Experienced Aquarist

                Verified Buyer

                Pros

                • Durable
                • Easy to Use
                • Effective
                • Good Value
                • Safe

                Cons

                  Best Uses

                  • Freshwater Tanks
                  • Large Aquariums
                  • Saltwater Tanks

                  Comments about Jager TruTemp Submersible Heater - 50 W:

                  Extermely accurate, can easily heat beyond suggested rules of thumb, double walled so breakage is not a concern. Fully Submersible, the suction cups work well but as with any device with suction cups can be removed by big powerful aggressive fish, if you have to use in the tank buy an extra set of the suction cups and it will be almost impossible for your big aggressive fish to knock off. I would not buy any other heater brand.

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                  Q&A's

                  Do you have questions about this product?

                  get answers from real customers and in-house experts with AnswerBox.

                  5 Questions | 5 Answers
                  Displaying questions 1-5
                  • Jager TruTemp Submersible Heater - 50 W

                    Q:

                    Will this heater fit a fluval edge 12 gallon? Is this heater truly fully submersible?
                    Asked on 5/10/2014 by Damizza from Toronto

                    1 answer

                    • CUSTOMER CARE

                      A:

                      The Eheim Jager is 100% fully submersible. I am not sure if this unit will fit your aquarium but here are the dimensions 9.63" length x 1.4" diameter.

                      Answered on 5/12/2014 by Josh L
                  • Jager TruTemp Submersible Heater - 50 W

                    Q:

                    is this to small for my 20 gallon tank?
                    Asked on 7/20/2013 by Mike from United States

                    1 answer

                    • CUSTOMER CARE

                      A:

                      If the aquarium is located in a room temperature environment then it will do for a 20 Gallon, but if it tends to be on the cooler side a 75-100 watt heater would be best.

                      Answered on 7/23/2013 by Josh L
                  • Jager TruTemp Submersible Heater - 150 W

                    Q:

                    I have a 65 gallon aquarium I know the 150w will work, but I am looking at the 200 w, will that work? or is it over kill? because I might get a larger tank soon
                    thanks
                    Asked on 3/27/2013 by Frank from RI

                    1 answer

                    • CUSTOMER CARE

                      A:

                      The rule of thumb for heater is 3 watts per gallon in a room temperature location/setting. 65 gallon aquarium will need 195 watts so the 200 W heater would be a better choice. It is not recommend to go too big on your heater choice.

                      Answered on 3/28/2013 by Josh L
                  • Jager TruTemp Submersible Heater - 50 W

                    Q:

                    Would it be overpower to work with the Fluval Edge 6 gallon tank?
                    Asked on 9/24/2012 by wewewetwet

                    1 answer

                    • CUSTOMER CARE

                      A:

                      This heater is quite large (physically) for the Fluval Edge 6 aquarium. You may be best using a Cobalt Aquatics heater as they have a more compact design.

                      Answered on 10/11/2012 by Thomas B
                  • Jager TruTemp Submersible Heater - 300 W

                    Q:

                    will this work on a 280g freshwater? or what is best for that?
                    Asked on 8/27/2012 by kash from brampton, ON

                    1 answer

                    • CUSTOMER CARE

                      A:

                      You will need roughly 900 watts of heating for a 280 gallon aquarium. Three 300 watt heaters spaced evenly across the back of the aquarium will work well. If you are running a sump, you are best to find a heater that is 800 watts or more.

                      Answered on 8/31/2012 by Thomas B
                  Displaying questions 1-5

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