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This product may contain chemicals known to the state of California to cause 

cancer and or birth defects or other reproductive harm. Wash your hand after 

handling this product.

It is your sole responsibilities to verify that the plug and the receptacle are clean 

and free of moisture and salt build up at all times. The receptacle must be free 

of water, salt, calcium, magnesium and dust. Failure to do so can cause fire, 

damage to property, permanent damage to the product and personal injury not 

limited to loss of life. 

Do not plug into extension cord/power strip.

A drip loop must be used when plugging all electrical aquarium devices. A drip 

loop is that part of the cord hanging below the receptacle.

The national code requires that a GFCI (Ground fault circuit interrupter) 

be used in the branch circuit supplying all power to water pumps and 

electrical aquarium equipment. If you do not have a GFCI, have an 

electrician install one prior to operating any aquarium component.

Additional Safety Precautions & Warnings:

 

Age Recommendation: 18 years or over. Not a toy. Not intended for use 

by children without direct adult supervision. As the user of this product, 

you are solely responsible for operating it in a manner that does not 

endanger yourself and others or result in damage to the product or the property of others.

INSTALLATION

NOTE: The temperature controller will read either °C or °F. To change from Celsius to Fahrenheit press the set button 

and hold it down for a 3-4 seconds until the LCD read out changes. 

1.  Select the proper wattage heater for the aquarium. Place the heater and sensor where there 

is good water circulation. Using the 2 suction cups provided to affix the heating probe to the 

inside of the aquarium.  

a. 

Only place the heating element and sensor in the main body of the aquarium. 

b. Do not place the heater on the substrate.  

d. Do not cover heater with substrate.  

c. Do not place in the substrate.  

 

e. Do not place the heater in filtration. 

 

Affix the sensor a min. of 4in away from the heating probe. 

 

NOTE: The heating probe and sensor must be in the same body of water.

2. 

Secure the temperature controller above the aquarium and affix to the wall. The temperature 

controller is never to come in contact with water. Failure to do so will cause electrical arching, 

fire hazard, premature failure of the unit, and/or loss of life.

3.  Attach the thermometer to the opposite side of the aquarium. Allow 10-15 minutes for the 

heater to acclimate to the aquarium temperature before plugging the temperature controller 

into an electrical outlet. 

NOTE: When plugging the ViaAqua® Titanium Heater into GFCI outlet, a drip loop 

must be arranged by the user for each cord connecting an aquarium appliance to an electrical outlet. 

4.  Verify there is good water circulation by heating probe.

5.  Plug the temperature controller into a GFCI outlet.

6.  SET THE TEMPERATURE: 

a.  Choose either Celsius or Fahrenheit: Press and hold the button for 3-4 seconds until the 

LCD read out changes degree of measurement. 

b.  Press the button once, now the LCD temperature read out is blinking. Press the button 

(each time you press the button the temperature will raise 1 degree) to raise the desired 

set temperature. Once temperature is reached wait 3-4 seconds for the LCD temperature 

read out stops blinking, the heaters temperature is now set. When the unit is heating the 

red light will be lit and the LCD read out will read the actual aquarium temperature.  

NOTE: If you pass the desired temperature, continue to press the button once the temperature reading 

reaches 93

°

F or 34

°

C the LCD read out will re-set at 68

°

F or 20

°

C. 

8. 

Confirm the temperature with an accurate thermometer placed on the opposite side of the 

aquarium. A small difference between the reading of the thermometer and the temperature 

controller is normal. Adjust accordingly! For indoor household use only.

CAUTION: 

The heater must be 

fully submersed in water at all time. 

MUST USE GFCI (Ground Fault 

Circuit Interrupter) Do not plug into 

an extension cord/power strip.

TROUBLE 

SHOOTING:

If the unit controllers LED reads “ER”.

The unit is over heated:

• 

Check to verify there is good weater 

circulation by the heater.

• 

Verify that the heating probe and the 

sensor is in water

• 

To reset, press the red button and the 

heater will resume working

CORRECT

Drip

Loop

Temperature Controller

Thermometer

GFCI 

ONLY

Drip

Loop

GFCI ONLY

4in Min

Sensor

WRONG X

WRONG X

WRONG X

WRONG X

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