

Heater Controller
Dual Aquarium Heater Controller
The IceCap heater controller can connect up to two heating elements (sold separately) and provides precise temperature control for an aquarium. It includes dual-heating power jacks and supports up to 1000 watts. For added safety, you can use it in conjunction with an aquarium system controller.
Features:
- Dual grounded output heater control
- Accommodates a combined total of 1000 watts
- Accurate heat control
- For freshwater and marine aquariums
- 1-year limited warranty
Specifications:
- Temperature Control Modes: On/Off Control, Heating
- Temperature Control Range: 20-34°C / 68-93°F
- Temperature Resolution: 0.1°C / 32°F
- Temperature Accuracy: ±1°C / ±1°F
- Ambient Temperature: <35°C / 95°F
- Audible Alarm: Over Temperature Alarm
- Input Power: 100 ~240VAC/60Hz
- Relay Contact Capacity: Heating (10A, 100-240VAC)
- Controller Body Dimensions: 3.125in x 5.375in x 1.125in (LxWxH)
- Probe Cord Length: 5ft
- Heater Outlet Cord Length: 18in
- Calibration Offset: ± 5.0° (C/F) in 0.5° increments
Heater controller only - Requires a proper-sized heater(s) to operate.
For Indoor use only
Button Functions
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Hold and press the SET button for 5 sec. to switch the Controller ON or OFF. Press SET button once to enter the target temperature setting mode. |
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Press the C/F button to switch the display between Celsius and Fahrenheit. |
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Press the (+) button to increase the Target Temperature and press the SET button to save your setting. |
![]() |
Press the (-) button to decrease the Target Temperature and press the SET button to save your setting. |
Controller Temperature Calibration
Check the aquarium's water temperature on the thermometer against the temperature shown on the Heater Controller. If there is a large difference between the thermometer and the Heater Controller, you must calibrate it.
- Press and hold (+) and (-) buttons simultaneously for around 3 seconds. The Water Temp display will begin blinking. The original allowance value shows at 0.0.
- Press (+) or (-) button to adjust up or down the value ± 5.0° (C/F) in 0.5° increments
- Finally, press the Set button to confirm calibration setting. The bottom display will change back to show the water temperature
Original: $69.29
-70%$69.29
$20.79Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dual Aquarium Heater Controller
The IceCap heater controller can connect up to two heating elements (sold separately) and provides precise temperature control for an aquarium. It includes dual-heating power jacks and supports up to 1000 watts. For added safety, you can use it in conjunction with an aquarium system controller.
Features:
- Dual grounded output heater control
- Accommodates a combined total of 1000 watts
- Accurate heat control
- For freshwater and marine aquariums
- 1-year limited warranty
Specifications:
- Temperature Control Modes: On/Off Control, Heating
- Temperature Control Range: 20-34°C / 68-93°F
- Temperature Resolution: 0.1°C / 32°F
- Temperature Accuracy: ±1°C / ±1°F
- Ambient Temperature: <35°C / 95°F
- Audible Alarm: Over Temperature Alarm
- Input Power: 100 ~240VAC/60Hz
- Relay Contact Capacity: Heating (10A, 100-240VAC)
- Controller Body Dimensions: 3.125in x 5.375in x 1.125in (LxWxH)
- Probe Cord Length: 5ft
- Heater Outlet Cord Length: 18in
- Calibration Offset: ± 5.0° (C/F) in 0.5° increments
Heater controller only - Requires a proper-sized heater(s) to operate.
For Indoor use only
Button Functions
![]() |
Hold and press the SET button for 5 sec. to switch the Controller ON or OFF. Press SET button once to enter the target temperature setting mode. |
![]() |
Press the C/F button to switch the display between Celsius and Fahrenheit. |
![]() |
Press the (+) button to increase the Target Temperature and press the SET button to save your setting. |
![]() |
Press the (-) button to decrease the Target Temperature and press the SET button to save your setting. |
Controller Temperature Calibration
Check the aquarium's water temperature on the thermometer against the temperature shown on the Heater Controller. If there is a large difference between the thermometer and the Heater Controller, you must calibrate it.
- Press and hold (+) and (-) buttons simultaneously for around 3 seconds. The Water Temp display will begin blinking. The original allowance value shows at 0.0.
- Press (+) or (-) button to adjust up or down the value ± 5.0° (C/F) in 0.5° increments
- Finally, press the Set button to confirm calibration setting. The bottom display will change back to show the water temperature





