- Delivers 77-gallon first hour rating
- 40,000 BTU input direct vent design delivers up to 0.66 Uniform Energy Factor
- Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
- Push-button piezo ignitor makes lighting pilot fast & easy
- Includes side mounted recirculation taps for easy installation with combination space heating/potable water heating applications
- Patented Blue Diamond® glass tank lining protects against corrosion
- DynaClean™ automatic cleaning system protects against sediment build-up
- Stainless steel CoreGard™ anode rod protects against corrosion longer than ordinary anodes
- Commercial-grade brass drain valve for durable and easy operation
- 6-year limited tank and parts warranty
The FVIR-compliant ProLine® 50-Gallon Direct Vent Natural Gas Water Heater heater is to designed to draw air from outside the home, eliminating problems caused by insufficient indoor ventilation. The unit has horizontal air intake and venting on all models up to 80” from the outside wall with no electrical power needed. Featuring a 50-gallon (nominal) tank and a 40,000 BTU gas burner, the GDV-50L Direct Vent delivers a first hour rating of 77 gallons and a recovery rate of 43 gallons per hour. It carries a 6-year limited tank warranty, and meets 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 standards and are only available for purchase through professional wholesalers and contractors.
