Rheem® PROG40-40N RH67 PDV Professional Classic® Gas Tank Water Heater, 40000 Btu/hr Heating, 40 gal Tank, Natural Gas Fuel, Direct/Power Vent, 40.4 gph at 90 deg F Recovery, Tall, Indoor/Outdoor: Indoor

• Electronic gas control for improved monitoring and service
• Eco-friendly burner, low NOx design
• 2-pipe system - 1-pipe pulls in outside air for combustion and the other exhausts combustion gases
• New whisper quiet blower
• Protective control system that disables the heater in the presence of flammable vapor accumulation
• Rheem® exclusive R-Tech (resistored) anode rod provides long-lasting tank protection
• Enhanced flow brass drain valve
• EverKleen™ patented system fights sediment build-up
• Standard replacement parts
• Durable silicon nitride ignitor (HSI)