The Rheem Fury is a discontinued gas water heater with an efficiency of .58 – .62 EF and an FHR of 50 to 90 gallons for natural gas. Fury water heaters featured the Guardian System and were designed to surpass ANSI standards for flammable vapor ignition resistance. The Fury included a brass drain valve and temperature and pressure relief valve. The EverKleen system fought sediment build-up, and a patented magnesium anode rod with resistor prevented rust from building up inside the tank. The Fury came in 29, 38, 40 and 50 gallon tall and 20, 40 and 50 gallon short capacities.
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