A residential version of our highly successful Ultra High Efficiency eF® series, this model boasts an efficiency rating of 95% and complies with the most stringent air quality requirements as a result of its low NOx burner.
These High Performance Series™ water heaters provide incredible hot water delivery from a space saving, convenient package. When tested to the industry standard residential First Hour Delivery procedure, the 55-gallon model (GX-1-TW-55S) will deliver 200 gallons.
Our TTW®1 models are power vented for positive exhaust. They offer greater installation flexibility with the ability to vent through a wall or roof, with either 2" or 3" PVC, ABS or CPVC pipe.
Like the TTW®1, TTW®2 models are also power vented but offer higher BTU/Hr. inputs, additional insulation and larger gallon capacities.
The High EF TTW® series offers additional insulation, resulting in higher Energy Factor ratings and qualifies for ENERGY STAR® requirements. Like our TTW®1 and TTW®2 series, these models are power vented for positive exhaust.