$55.99 Rheem EcoSense 6.4 GPM 150000 BTU Ultra LoNox Natural Gas Mid Efficiency Outdoor Tankless Water 
Rheem EcoSense Tankless Water Heater RETE-9 - 9kW 1.37 GPM Point of Use Electric | eBay
Rheem EcoSense 6.4 GPM 150000 BTU Ultra LoNox Natural Gas Mid Efficiency Outdoor Tankless Water 
