Hilo smart water heater controller
Let Hilo automate your water heater during peak demand events and maximize your savings!
During peak demand events, you’re usually encouraged to avoid using hot water to reduce your electricity use. But with Hilo’s smart water heater controller, you don’t have to go without. As long as your hot water use stays moderate, you can stay comfortable and maximize your savings, even during peak events!
Brand : Hilo
Model : EQ000043
Limited-time offer! Already with Hilo? You can still get free installation when you add the water heater controller to your order — even if our team has been to your home before!
Controller offered at no cost
$0.00*With a 12-month commitment to automated participation during peak events and acceptance of the Participant Agreement. Certain conditions apply. Learn more here. Retail value of the water heater controller: $105.
More product details
Brand:
- Hilo
Solution
- Controller: EQ000026
- Sensor: EQ000031
Colour
- White
Finish
- Molded plastic
Installation
- Voltage: 120 / 240 / 277 / 347 VAC
- Maximum resistive load: 50 A
- Indoor installation only
- Requires Hilo hub
Standards
- CSA: CAN/CSA-E60730-1, 2015 / A1, 2017-11
- UL 916, 2015
- CSA-E60730-1, 2015 / A2, 2021-10
- UL 60730-1, 2016 / R, 2021-10
Warranty
- 3 years
Control / Features
- Enables automation of electric water heaters during peak demand events
- Connected power monitoring
Dimensions
- Width: 135 mm
- Height: 171 mm
- Depth: 46.5 mm
Zigbee
- Zigbee 3.0 profile
- Frequency: 2.4 GHz
Operating conditions
- Operating temperature: –20°C to 40°C
- Storage temperature: –40°C to 50°C
- Humidity: 5% to 95%, non-condensing
Compatibility
- Compatible with all electric water heater models with a capacity of 30 imperial gallons or more
Water heater load controller interface
The button is used to turn the water heater load controller on or off.

Hilo water heater load controller
- Pairing the water heater load controller
Follow these steps in the Hilo mobile app:
- Go to the Devices page.
- Tap the + icon in the top right corner of the screen.
- Tap Add a device.
- Tap Water heater.
- Tap I don’t have a Data Matrix code.
- Tap Continue, then press the device button (see Figure 1) for about 3 seconds. The centre indicator light will change from yellow to flashing blue.
- Tap Continue.
The search will take up to 45 seconds.
Once the controller is detected, the centre indicator light will turn green.
- In the app, tap Close when you see the message "Device added!" The Devices page will reappear, and the controller will now appear under the name Water heater.
- From the tile in the Hilo mobile app, run a quick test: turn the controller off. The red load indicator light will (alt : should) go out.
- Turn the controller back on by pressing the device button. The red indicator light will turn back on and, after a few seconds, the tile in the app should show that the device is powered on.
- If you want to rename the controller tile, check out the corresponding support article on our website by clicking here.
Specifications
Electrical specifications
- Input voltage: 120/240/277/347 VAC, 60 Hz
- Max resistive load: 50 A
Connectivity
- Zigbee 3.0
- Frequency: 2.4 GHz
Operating and storage conditions
- Operating temperature: -20°C to 40°C
- Storage temperature: -40°C to 50°C
- Humidity: 5% to 95%, non-condensing
Dimensions
- Width: 135 mm
- Height: 171 mm
- Depth: 46.50 mm
Standards
- CAN/CSA-E60730-1, 2015 / A1, 2017-11
- UL 916, 2015
- CSA-E60730-1, 2015 / R, 2021-10
- UL 60730-1, 2016 / R, 2021-10
Warranty
- 3 years
Offers, services, and pricing are subject to change without prior notice.
Hot water, even during peak demand events!
Save during peak demand events without making big changes to your routine. Hilo’s smart water heater controller automatically turns your water heater off and back on during peak events, so you can continue using hot water in moderation without increasing your electricity use.

Why get a smart water heater controller?
Stay comfortable during peak events
More cash rewards
Control your water heater remotely
Real-time temperature monitoring
1 Based on a water heater set to 60°C, shower water at 40°C, and a flow rate of 10 L/min.
2 The average potential savings amount is based on the actual consumption of Hilo customers who used a smart water heater solution during tests carried out in the 2024–2025 winter season and is calculated on the basis of 100 hours of participation or 25 peak demand events. Potential savings represent the difference between Rate Flex D and the base rate (Rate D), including applicable taxes. Savings with the smart water heater solution may vary depending on the water heater model and household hot water use during peak demand events.
Combine Hilo products for smarter savings
Take advantage of your free first installation to get all the Hilo products you need. The more devices you connect to Hilo, the more you can save throughout the winter.