HELP! Are heaters submergible?

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Dec 1, 2002
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NW Iowa
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I have a Whisper 50 watt, 8 inch heater. It says to make sure the water is ABOVE the 'water level' line on the heater, but it doesn't say how much of the heater to keep out of the water!!!

On the top, it has a dial -- I put it to 78 degrees and stuck in it the water using the suction cups. Can the whole thing go under the water?? It doesn't say on the box or in the directions.

HELP!
 
Not all heaters are fully submergible. If it doesn't say so on the box, then it probably isn't.

Lucky you finding a heater you can set to a specific temp at Wal-Mart! Wish mine had them :)
 
hmm.... if the heater is designed to clip on the top of the tank, its not fully submersible.

if they just gave you two suction cups then it should be fully submersible.
 
Thanks Slip, I was just about to say the same thing. :)

In some cases there is a clip at the top and you hang the heater over the top of the tank so that it dangles down into the water only up to a point... and then other times there are suction cups that allow you to submerse the entire unit down into the water.
 
It is important to note that while a heater may be submersable(sp?) that does mean it can be operated in a possition other than vertical. I have a nice little story involving a cheap heater placed vertically. Needless to say it involves dead fish.
 
As far as I know, Whisper heaters are submersible. I have been using a 150W Whisper fully submerged for the last year with no problems.
 
Anton, what happened to your cheap heater? I have a submersible heater and one of my fears is that it will spring a leak!
 
The heater has two suction cups that hold it inside the tank. It's got a black, sleek-looking top and it has a dial at the top that starts at 68 degrees and then goes up. You can adjust the temp with a little turny-thing at the very top.

Looking more closely at the box, the pic on the box is slightly different from the one IN the box. There is also a bright red and white sticker that says "New and Improved - includes Adjustable Electronic Thermostat"

The website for this is at http://www.tetra-fish.com/home.html but I cannot get it to load in!!! And I'm on a super-speedy connection at work.

(Oh, and I meant to say: submersible - I think?) :rolleyes:
 
I've got a couple of those heaters. They need to stay vertical, and I've submersed mine completely. Usually, however, mine have a half-inch or so out of the water due to tank size and evaporation...

BTW, I don't recommend those heaters to anyone. They have a black film-type stuff on the outside of the heater, and the stuff flakes off!
 
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