Westinghouse 18kW 240V Electric Tankless Water Heater, Whole House Solution up to 4.2 GPM for 1-2 Bathrooms, Smart WiFi Control with Alexa & Google Home, ETL Certified, IPX4, Apolo(2.0)-18kW

Price: $349.99

As of 2026-01-27 18:28:00 UTC (more info)

Product prices and availability are accurate as of 2026-01-27 18:28:00 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com at the time of purchase will apply to the purchase of this product.

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Product Features

Important Notes: up to 4.2 GPM for APOLO-18kW. Activation flow: 0.66 GPM. Amperage (amps): 75A. The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire.Bottom 3/4" NPT water connections

Smart Operation: With remote WIFI control, you can adjust the temperature without being near the water heater. The temperature can also be controlled with a rotary button, so you can easily adjust the temperature from 86°F to 140°F

Instant Hot Water: Enjoy continuous, stable hot water without waiting for preheating or worrying about temperature fluctuations. It's ideal for medium-sized homes.

Safety Protection: Westinghouse tankless water heater is ETL certified, equipped with leakage, overheat, and dry-fire protection, The separated heating element minimizes scale and corrosion, ensuring better performance and low maintenance

Space-saving: Dimensions: 17 x 13 x 4.3 inches. Electric Tankless water heaters are typically smaller than traditional tank water heaters, which can be wall-mounted, and more compact in size. Ideal for small apartments, it’s perfect for showers, sinks, dishwashers, washing machines, etc.