- Delivers 100-gallon first hour rating
- Versatile ENERGY STAR® certified power direct vent design delivers up to 0.88 Uniform Energy Factor (96% Thermal Efficiency)
- Advanced high efficiency condensing design delivers energy savings & continuous hot water at a constant flow of over 4 gallons per minute
- Helical coil internal heat exchanger lengthens heat transfer cycle and reduces lime & scale build-up to maintain high efficiency operation
- Power direct vent design installs with 2" or 3" PVC, CPVC or polypropylene pipe terminating through outside wall
- Top fired Ultra-Low NOX gas burner, meets or exceeds emission requirements in California & Utah
- Push-button piezo ignitor makes lighting pilot fast & easy
- Patented Blue Diamond® glass tank lining protects against corrosion
- 6-year limited tank and parts warranty
The Vertex™ 50-Gallon Ultra-Low NOx Power Direct Vent Liquid Propane Gas Water Heater is designed specifically to generate a constant flow of 4 gallons per minute, resulting in continuous hot water for your home. Featuring a 50-gallon (nominal) tank and a 100,000 BTU gas burner, the GDHE-50 Power Direct Vent delivers a thermal efficiency of 96%, a Uniform Energy Factor of 0.88, and a recovery rate of 129 gallons per hour. It carries a 6-year limited warranty, and meets Ultra-Low NOx emission requirements. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine® water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel Coregard™ anode rod, Blue Diamond® glass lining and DynaClean™ automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standard and are only available for purchase through professional wholesalers and contractors.
