$52.99 Shop Rheem Prestige Condensing 9.5GPM Indoor Natural Gas Tankless Water Heater with Built-In 
RHEEM RTEX-13 208/240 VAC, Commercial/Residential Electric Tankless Water Heater - Walmart.com 
Rheem Performance Plus 9.5 GPM Natural Gas Mid Efficiency Indoor Recirculating Tankless Water 
