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Aquarium Systems Visi-Therm Stealth Heater 150W

 
Stealth Heater 150W by Visi-Therm. Reinforced plastic casing protects the components against thermal and mechanical shock to eliminate shattering


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basic aquarium heater

Installation and Operation The Visi-Therm 150 watt heater controlled the temperature of add-in water as well as tank water. It is as easy to use as set the temperature, attach the suction cut in a vertical or horizonal position, and plug in. The only caution when operating is to be sure the suction is holding and the heater stays submerged to prevent breakage.


Performance vs. Expectations This heater works fine although you should adjust the exact temperature setting yourself using a separate thermometer. The heater could be set for one temperature but need to be higher or lower to get the desired water emperature.


Value for money Good value. Nothing fancy. Does the job.


Customer Support No need for customer support.


Liked about it Controls water temperature parameter. Inexpensive and good value. Easy adjustment and readable scale.


Didn't like Suction cup attachment can come loose and the heater must stay submerged. (Would be nice if weighted to stay submerged if loose.) Must use separate thermometer in water to ensure heating to desired temperature. Unattractive in tank; prefer to put in sump.


Overall rating:
 
4.0
Overall satisfaction:
 
4.0
Would consider buying it again:
 
4.0

By Fielding12
Feb 23, 2010
 
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Decent heater while it lasted

Installation and Operation Easy installation, just throw it in the water.


Performance vs. Expectations I bought mine primarily for my water change heater. It worked great for a good 2 years of intermittent use. Just recently I found out that it wasn't turning on, I fiddled with the thermostat and it came on; but then dropped off right away. I noticed that if I tapped it would turn on and off acting almost like it had a loose connection. From doing a bit of forum searching, this seems to be a problems will all the stealths.


Customer Support Great company support, I've dealt with them on other products. Unfortunately this problem showed up after the warranty expired.


Liked about it Good looking heater.
Shatterproof, great for water change heating.


Didn't like Indication light would be nice.
Seems to have quality issues.


Overall rating:
 
3.5
Overall satisfaction:
 
4.0
Would consider buying it again:
 
3.0

By wharyat
Jan 25, 2010
 
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Good JOB GUYS!

Installation and Operation Easy, easy, easy, easy. Love it plug go heat, easy dial, easy to read. Mo muss no fuss!


Performance vs. Expectations Worked better than i thought..


Value for money Yes


Customer Support N/A


Liked about it Small no GLASS!. Gets the JOB DONE!


Didn't like I whish it would heat up faster, only thing i would change about it.


Overall rating:
 
4.0
Overall satisfaction:
 
4.0
Would consider buying it again:
 
4.0

By ExploziveAF
Dec 10, 2009
 
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Nice heater.

Installation and Operation This is a great heater, nothing fancy but sometimes that's better. Many of the problems people have is with electronic heater controllers. But these just has a simple thermostat, which is usually very reliable.


Performance vs. Expectations It keeps my tank a steady temperature. It doesn't fluctuate all over the place. Plus I have checked it with a few other thermometers and it is pretty close to what the dial says. Just as close as any other heater out there.


Value for money These are a great value for the money, and should last for many years.


Customer Support N/A


Liked about it Very easy to use, just turn the dial were you want it to be and that's it. Plus it has a decent length cord, I had some other heater once and the cord was way to short.


Didn't like It falls off of the glass with the suction cups, so I eventually wound up just laying it in my sump.


Overall rating:
 
5.0
Overall satisfaction:
 
5.0
Would consider buying it again:
 
5.0

By luther1200
Oct 01, 2009
 
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Not bad

General Other than the temperature dial, the heaters are quite sturdy and generally reliable in my experience. Just monitor the temp with a good thermometer.

i have been told that submersible heaters can potentially leak if they are installed at an angle, so keep them horizontal or straight up.

i have always had mine horizontal, so i have never come across this issue.


Liked about it durable
non-reflective casing prevents aggressive fish from attacking their own reflection


Didn't like it has a numbered temp dial on the top, this does not seem to be very accurate. If you set it for 80 degrees you may get 75 degrees even if the water volume of the tank is appropriate for the wattage.


Overall rating:
 
4.5
Overall satisfaction:
 
4.0
Would consider buying it again:
 
5.0

By icebear
Apr 01, 2009
 
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Worth the money

Installation and Operation Plug and Play! Very easy!


Performance vs. Expectations Yes, I've had no problems with the heater!


Liked about it It's adjustable to the temp you want it, very accurate for being "dial operated", and the overall design of the unit.


Didn't like Its size, its nearly the size as the 250W heater.


Overall rating:
 
5.0
Overall satisfaction:
 
5.0
Would consider buying it again:
 
5.0

By ZMattie
Jul 29, 2009
 
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Good Heater - Great Warranty

General I will keep buying this brand.


Liked about it Very good, tough heater. I have 6 or 7. Most are 150W. I had 2 fail. I sent them to the distributer and within a few days I had 2 new ones. Great service.


Didn't like I don't think that the actual temperature control of the heaters (or probably any heater stock) is very good. Once I went to a controller, my temp control went from a 2-4 degree range to less than 0.5 degree range. I think the internal thermostats are probably just not super high quality.


Overall rating:
 
5.0
Overall satisfaction:
 
5.0
Would consider buying it again:
 
5.0

By danjen10
Jul 08, 2009
 
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