THIS HEAVY-DUTY COMMERCIAL ELECTRIC WATER HEATER FEATURES THE SYSTEM SENTINELâ„¢ DIAGNOSTIC SYSTEM WITH LEDS THAT CORRESPOND TO THE LOCATION NUMBER AND STATUS OF EACH ELEMENT THE SCREW-IN TYPE ELEMENTS FEATURE LONG LIFE LIFEGUARDâ„¢ STAINLESS STEEL CONSTRUCTION AND RESIST BURNOUT AND CORROSION THE WATER HEATER ALSO FEATURES THICK FOAM INSULATION FOR MINIMAL STANDBY HEAT LOSS AND 98 THERMAL EFFICIENCY
