After a brief hiatus, the Westinghouse Electric Water Heater 40 gallon has returned! The WER040 is AHRI certified and meets the new NAECA 2015 regulations. This unit has improved efficiencies – .95 Energy Factor and a First Hour Rating of 59 gallons. These are available in both WER040C2X045 and WER040C2X055, 4500 and 5000 watts respectfully.This unit is available for order immediately.