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Eheim thermocontrol 300W Heater (Previously known as Eheim Jager Heater) Reviews

4.6 Rating 49 Reviews
Been using these heaters for 15 years now and they are reliable and tough. I use with the Rainbird temperature controller and plug in two Jagers into the heater plug and have the option of a fan in the cooling plug if I need to.
1 Helpful Report
Posted 6 years ago
High quality heater, has no problem keeping my 550l system at a constant temp, even in winter.
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Posted 6 years ago
High quality heater, has no problem keeping my 550l system at a constant temp, even in winter.
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Posted 6 years ago
Josh Mortensen
Verified Reviewer
It’s a really good heater and low wattage for the amount of water it heats. But the only fault I can find is after a few years it gets condensation on the inside of the housing.
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Posted 7 years ago
Josh Mortensen
Unverified Reviewer
It’s a really good heater and low wattage for the amount of water it heats. But the only fault I can find is after a few years it gets condensation on the inside of the housing.
1 Helpful Report
Posted 7 years ago
Sidhe Kin-Wilde
Verified Reviewer
Within a few hours, my fish had perked up, swimming in their consistently warmer environment. I'm very happy with this purchase, and the shipping was super fast.
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Posted 7 years ago
Sidhe Kin-Wilde
Unverified Reviewer
Within a few hours, my fish had perked up, swimming in their consistently warmer environment. I'm very happy with this purchase, and the shipping was super fast.
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Posted 7 years ago
Havent used as yet but i am sure will be good
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Posted 8 years ago