$67.99 Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray & 3M Aqua-Pure Whole House 
Rheem RTEX-18 Electric Tankless Water Heater - Grey for sale online | eBay
Rheem 18 kW Self-Modulating 3.5 GPM Electric Tankless Water Heater for sale online | eBay
