Bulk Reef Supply

Aquarium Heater Controller

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Out of stock
$34.99 $49.99

Discontinued by Bulk Reef Supply
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Keep Your Aquarium's Temperature Steady with Bulk Reef Supply's Heater Temperature Controller!

The easy to program temperature controller lets you connect up to two heaters to keep your aquarium's temperature super stable. The dual-screen LCD display lets you easily see the controller's setpoint along with the actual temperature of the aquarium. Programming the controller only takes a minute and doesn't require any special programming knowledge to get it right. 

  • Precise Digital Readout
  • Replaceable Temperature Probe
  • Dual Heater Control
  • Easy to Calibrate
  • Adjustable Hysteresis


Recommended Heaters - Bulk Reef Supply Titanium Heating Elements


0.3 Degree Control Precision

Keeping a reef tank's temperature steady is crucial to long-term success and the BRS Heater Controller lets you set the temperature anywhere between 58°F and 99.9°F and then will keep it within 0.3°F of the controllers set temperature. With a properly sized heater, your aquarium can keep the temperature swings down to a minimum, while ensuring a long life for your heater. As your aquarium heats up, the controller will allow the water temperature to go past the set temperature by 0.3°F, at which point the controller will turn your heaters off, and the temperature will start to fall. Once you aquarium's water temperature falls 0.3°F below the set temperature, the heaters will turn back on, heating your aquarium water.


Replaceable Temperature Probe

The tank's temperature is sensed through a replaceable probe that is 72" long and only takes a few seconds if it ever needs to be replaced. The low-cost probe is perfect for conditions like saltwater aquariums, where deposits and algae can grow on the probe that requires vigorous cleaning, and ultimately being the main failure point. If you ever notice the temperature starts to drift or not hold a calibration it is usually a good sign that the probe needs to be replaced. 


Maximum Heater Size: 1,200 Watts @ 120VAC

The Bulk Reef Supply Aquarium Heater Controller can handle up to 10 amps of current which is equivalent to 1200 Watts with a supply voltage of 120 volts. The 1200 Watt maximum output can be split between the two outlets allowing you to plug two smaller heaters into each plug, or a single larger heater into just one of the plugs. We highly suggest using two smaller heaters, which has multiple advantages over a single larger heater. 



Control Range - 58°F - 99.9°F

Control Precision - 0.3°F  up to 15°F (0.15°F - 7.5°F hysterisis)

Display Resolution - 0.1°F

Input Power - 120VAC @ 60Hz

Max Output Power - 10 amps @ 120VAC

Replaceable Temperature Probe Length - 72"

Outlet Dongle Length - 12"

Power Cord Length - 60"

Warranty - 1 Year


What's Included?

1x BRS Aquarium Heater Controller

1x Replaceable Heater Controller Probe (pre-installed)


BRS Aquarium Heater Controller Instructions BRS Aquarium Heater Controller Instructions


Need a BRS Heater Controller Replacement Temperature Probe?

Replacement Probe

More Information
UPC 850000695375
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Product Questions

If you want to run 2 heaters at a 2° offset like you recommend do you need 2 of these setups or can one unit accomplish that?
Question by: SK on Apr 20, 2020, 12:32 PM
Hi There,

In order to have a 2 degree offset between the controller and the heaters you will either need to have heaters with built in thermostats plugged into the controller or you will need to plug the BRS heater controller (with heating elements) into a device like the Neptune Apex that has its own thermostat capabilities.

I hope this helps!
Happy Reefing
Answer by: Nick on May 7, 2020, 1:13 PM
Is there a probe holder to place temp probe inline in the plumbing?
Question by: Todd Lundell on Feb 4, 2020, 7:40 AM
Hey there,

Unfortunately there are none that we know of. We intended the probe to just be placed in the sump area.

Take care
Answer by: Thomas Billington on Feb 5, 2020, 1:58 PM
How frequently is the temperature taken (reading per hour)? Is the temperature display updated at the same frequency and how does this compare to the Apex controller?

Question by: Tom Tarras on Jan 22, 2020, 2:07 PM
Hey there!

It is reading the temp actively, it will respond almost immediately like the Apex probe will.

Take care
Answer by: Thomas Billington on Jan 23, 2020, 3:21 PM
Why does this one cost more the the same item from Inkbird? https://www.bulkreefsupply.com/itc-308s-aquarium-temperature-controller-ink-bird.html
I would hate to call shannigans but it seems like all you did was place a BRS label on it and increased the price.
Question by: Carl on Oct 19, 2019, 10:13 AM
Hey there!

We did change up the controller a little to allow it to stay more stable and it does not offer the ability to have one heater and one chiller, only 2 heaters.
Answer by: Thomas Billington on Oct 22, 2019, 4:56 PM
Can this programmer be used with heater that have an internal thermostat? Such as the Eheim Jager Trutemp heaters.
Question by: Dustin Baker on Oct 17, 2019, 11:01 AM
Hey there!

Yes it can be used with that style heater. It will act as a backup in case the jager thermostat fails.
Answer by: Thomas Billington on Oct 17, 2019, 12:07 PM
So to use this temperature controller I would set both heaters above the temp I set on the controller? And the controller would make both heaters come on at the same time?
Question by: Jack on Oct 16, 2019, 9:26 PM
Hey there!

Unfortunately not, the settings are applied to both outlets or heaters.

Take care
Answer by: Thomas Billington on Oct 17, 2019, 1:10 PM
Does this seriously have a 0.3 degree differential?! Have my dreams come true?!
Question by: Sean Hunter on Oct 16, 2019, 11:58 AM
Hey there,
Yes. it does.

Please let us know if you need anything further and take care!
Answer by: Matt Lucero on Oct 16, 2019, 12:12 PM
I was reading the the manual and there isn't any directions on how to calibrate the unit and also how to set the heating differential. If you could elaborate on those two that would be awesome. Thanks
Question by: Jeremy Marvin on Oct 15, 2019, 10:33 PM
Hey there!

If you look under the instructions here https://brsinstructions.s3.amazonaws.com/BRS/bulk-reef-supply-heater-controller-instruction-manual-10142019.pdf you can see where you need to enter it into CA mode to calibrate.

Take care
Answer by: Thomas Billington on Oct 17, 2019, 2:24 PM