The ProLine® XE Ultra-Low NOx power direct vent water heaters utilize an innovative burner
system, a combination of radiant heat and excess air to comply with Utah, South Coast Air
Quality Management District and other California Air Quality Management Districts with
similar requirements of less than 10 ng/J for ultra-low NOx emissions. The 0.70 Energy Factor
qualifies these models for ENERGY STAR®.
Featuring a 40-gallon (nominal) tank and a 40,000 BTU gas burner, the GS6-40-UBPDS Power Direct Vent delivers a first hour rating of 74 gallons and a recovery rate of 41 gallons per hour. This water heater 0.70 Uniform Energy Factor. It carries a 6-year limited warranty, and meets Ultra-Low NOx emission requirements.