Rheem Tankless Water Heater RTG-53XN, Outdoor Use

The Rheem RTG-53X natural gas tankless water heater supplies 1-2 major hot water applications at a time. Built for outdoor installation with built-in freeze protection down to -20 degrees F. The RTG-53X can supply 5.3 gallons per minute of hot water at a 45 degree temperature rise.
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