The ProLine® 100-Gallon Ultra-Low NOx High Recovery Gas Water Heater is designed to deliver reliable hot water for large demands. It includes a fully autmatic controls for more accurate temperature control and requires no electrical connections. For added peace of mind, this model includes a fixed automatic safety gas shutoff device.

Featuring a 98-gallon (nominal) tank and a 75,100 BTU gas burner, the GCN-100 standard vent delivers a thermal efficiency of 80%, a Uniform Energy Factor of 0.58, and a recovery rate of 81 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 standards and are only available for purchase through professional wholesalers and contractors.