AO Smith R4LA-180E ProLine® 18 KW 240 Voltage, Tankless 4-Chamber, Residential, Electric, Water Heater, Indoor, 5 Year Limited Heat Exchanger/1 Year Parts warranty

The 240 Volt 18 Kilowatt 4-Chamber Electric Trankless Water Heater can provide continuous hot water when sized appropriately. A. O. Smith's Electric Tankless water heaters only heat water when needed, leading to potential energy and utility bill savings. These models are easy to install and save valuable storage space--they can be wall mounted, using standard 3/4-in NPT water connections and do not require venting. Designed with a soft start, the electric tankless produce a soft electric draw when powering on, reducing light dimming impact. Electric tankless water heaters typically require greater electrical supply capacity than standard tank-type models. This model requires 240 volts, 75 amps, 2 x 40 amp double pole breaker and #8 AWG wire size. Please check with your local professional to ensure your home's power supply and breaker panel can support this model. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standard and are only available for purchase through professional wholesalers and contractors.

• Delivers continuous hot water when sized appropriately
• Dry-fire protection prevents premature element failure for care-free installation
• Easily wall mount with no venting required
• Uses standard heating elements for easy maintenance & replacement
• Save valuable storage space with compact design
• Includes self diagnostics and leak detection shutdown for added peace of mind
• Includes user friendly digital interface for temperature control and diagnostics
• Scale reduction technology protects against hard water build up and extends the product life
• 5-year limited tank and 1 year parts warranty