Optimal opti plus 18kW 240V 3.7GPM Wifi Enabled 25-Year Warranty Electric Tankless Water Heater
The opti18 plus wifi enabled electric tankless water heater can replace a tank heater for the whole home, act as a point of use, or supplement a hybrid as a booster to extend hot water availability. Refer to the sizing map in the images to learn more about the model that is best for you. Connect to optimal intelligence with the Optimal App. Track your usage, adjust your temperature, and get real-time notifications. With its powerful 18kW heating system and one-of-a-kind ultrasonic design, this water heater is engineered for energy efficiency and space savings. Expert, in-house, customer support stands behind the industry leading 25-year warranty for reliability you deserve in a product meant to last. Set it and forget it to the exact temperature you desire for endless hot water with an accuracy of 1°.
- Adjust temperature remotely, monitor usage, and receive alerts before issues arise through the Optimal App.
- Save up to 50% on your water heating costs
- Save space and reclaim an entire closet worth of storage
- 25-year residential warranty covers all components including heat exchanger
- Patented US design is the only water heater with ultrasonic flow technology
- In-house, expert support is here to answer all your water heating questions
- Advanced, built in diagnostics make troubleshooting easy
- Dry-fire protection prevents elements from burning out
- Straightforward installation with standard 3/4 inch water connections and no venting needed
| Â General | |||
|---|---|---|---|
| Color/Finish Family | White | Grade | Commercial/Residential |
| Series Name | Plus+ | Use Location | Indoor |
| Type | Tankless | Display Type | Digital |
| Power Source | Electric | Installation Type | Wall mount |
| Â Dimensions | |||
|---|---|---|---|
| Depth (Inches) | 3.5 | Water Connection Size | 3/4-in |
| Family Size | 4 | Weight (lbs.) | 12 |
| Height (Inches) | 16.9 | Width (Inches) | 11.4 |
| Â Features | |||
|---|---|---|---|
| Annual Fuel Utilization Efficiency % (Percentage) | 0 | Point of Use | No |
| Grid Capable | No | Scale Prevention | No |
| High Efficiency | Yes | Super High Efficiency | Yes |
| Hub Required | No | Uniform Energy Factor | 0.99 |
| Leak Detection | Yes | Voice Controlled | No |
| Maximum Gallons per Minute | 3.7 | Voltage (Volts) | 240 |
| Maximum Temperature (Fahrenheit) | 140 | Water Connection Location | Bottom |
| Minimum Temperature (Fahrenheit) | 72 | Water Heater Style | Short |
| Overheat Shut-Off | Yes | Wattage (Watts) | 18000 |
| Â Compatibility | |||
|---|---|---|---|
| App Compatibility | Yes | Works with Apple HomeKit | No |
| Bluetooth Compatibility | No | Works with iOS | Yes |
| Smart Compatible | Yes | Works with SmartThings | No |
| Wi-Fi Compatibility | Yes | Works with the Google Assistant | No |
| Works with Amazon Alexa | No | For Use with Mobile Homes | No |
| Works with Android | Yes | For Use with RVs | No |
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