The ProLine® XE Effex® High Efficiency atmospheric gas water heater is an ideal choice for replacement application, delivering the highest efficiency ratings among standard gas models and helping you save as much as 25% on water heating costs.
Featuring a 40-gallon (nominal) tank and a 40,000 BTU gas burner, the GAHH-40 standard vent delivers a first hour rating of 68 gallons and a recovery rate of 43 gallons per hour. With an 0.66 Uniform Energy Factor, this water heater is ENERGY STAR® qualified. It carries a 6-year limited warranty, and meets Low NOx emission requirements.