heaters & thermostats

[mitch]

have 2 heaters in my tank set at 24 Aqua ones. (200watt)

The tank is 215ltr Tthese heaters are at each end of the tank, as well as a termostat at each end as well. The readings i am getting are 26.3 & 27.1 so i went s**t and changed them to 22 with a reading of 24.9 & 25.9 on the thermostat. Anybody else have the same thing happen?

I dont know which reading is right

[jim r]

Might be the thermometers you are using I only use mine as a rough guide as they are not renowned for their accuracy.

[snookie]

what angle are the heaters , are they near a water flow ,?

i dont think thermostats on aqua-ones are that accurate always out 1 or 2 degrees either way

also do you have a fire or heaters in room ?

[Ianab]

yup.. the numbers written on those heaters doesn't bear much relationship to what temp they actually maintain. This also depends on the angle they are mounted at and how much water flow they are in.

Best is to get a good thermometer and adjust acording to what that says. Set the heater by it's own guide to start with and leave it a day. Check it with the good thermometer and adjust it up or down a click or 2 as needed. Ignore the numbers on the heater. That way you get it right for your heater, your tank and your filter flow.

The better Jager heaters have the same issues, but at least you can recalibrate the dial on them so they read right.

Cheers

Ian

[mitch]

i have one by the intake and one on an angle by the out take (this has the larger reading