The ProLine® Mobile Home gas water heater is convertible for propane and natural gas and is designed and to meet a wide range of needs of Manufactured Housing installations. Featuring a 40 gal (nominal) tank and a 32000 Btu gas burner, the GS6-40-MDV Direct Vent delivers a first hour rating of 57 gal and a recovery rate of 33 gph. With an 0.59 Uniform Energy Factor, this water heater is not Energy Star® qualified. It carries a 6-year limited tank warranty and meets Low NOx emission requirements.