jonnyah 
Rheem 18kW 240V Tankless Electric Water Heater
out of stock
Amazon.com
as of February 3, 2026 2:20 pm
Features
- External digital thermostatic control with LED display (+/1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
- Simple installation – bottom 3/4 inch NPT water connections
- Threaded for easy replacement, simple installation, digital temperature display
