Rheem 18kW Tankless Electric Water Heater, Digital Control, 4.4 GPM, Copper Elements

Features:

• External digital thermostatic control with LED display (+/-1 degree accuracy)
• Advanced self-modulation to adjust power according to hot water demand
• Durable copper immersion heating elements, field serviceable, with a flow rate up to 4.4 GPM
• Easy installation with bottom 3/4 inch NPT water connections
• Threaded design for easy replacement and digital temperature display