Smart Electric Tankless Water Heater 208/220/240-Volt 27 Kw 4.5 GPM

27 kW electric tankless water heater provides efficient, continuous on demand hot water. The Opti27 is the only water heater with patent pending ultrasonic flow sensing technology providing quiet, efficient and smart control. With advanced power modulation, built in diagnostics and wireless compatibility the Opti27 heats to within 1 degree of set temperature plus or minus. Heat up to 4.5 gallons per minute gpm to 105DegF given an inlet water temperature of 72DegF. It supports a 3 - 4 bathroom home in warm climates or acts as a point of use in colder climates. Dry-fire protection prevents premature element failure for worry-free installation.

• 27 kW electric tankless water heater provides efficient, continuous on demand hot water. The Opti27 is the only water heater with patent pending ultrasonic flow sensing technology providing quiet, efficient and smart control. With advanced power modulation, built in diagnostics and wireless compatibility the Opti27 heats to within 1DegF of set temperature (plus or minus). Heat up to 4.5 gallons per minute (gpm) to 105DegF given an inlet water temperature of 72DegF. It supports a 3 - 4 bathroom home in warm climates or acts as a point of use in colder climates. Dry-fire protection prevents premature element failure for worry-free installation. The Opti27 comes with a 25-year residential warranty and a 5 year commercial warranty. Covers all components and ground shipping. For more information on installation, best practices and the warranty, please use the Additional Resources links.
• Lifetime guarantee 25-year limited warranty, best warranty in the category
• Delivers continuous hot water for 3-showers and 2-sink and 1-Appliance used concurrently (based on a 1.5 GPM showerhead, 1.0 GPM appliance and 0.5 GPM sink faucet in southern US locations)
• Smart tankless water heater, Wi-Fi plus app compatible and only water heater with patent pending ultrasonic flow sensing
• Opti27's compact modern design is wall mounted and frees up closet space for extra valuable storage
• Optimal products come with freeze protection, leak detection and vacation mode protection
• Opti model products come with advanced diagnostics, no moving parts and easily replaced heating elements
• Optimal app available on IOS and Android, requires upgraded Wi-Fi board
• Plumbing specs are 3/4 in. npt connections, 0.25 gpm activation, 150 max psi
• Requires 3 x DP 40 AMP breakers with #8 AWG wire and has a max draw of 120