40 Gallon ProLine Atmospheric Vent Water Heater (Natural Gas), 10-Year Warranty
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          AO Smith ProLine XCR-40 model is a 40-gallon, natural gas (NG) atmoshperic vent residential water heater with 10-year warranty.
Technical Specifications:
Features:
                                                Technical Specifications:
- Fuel: Natural Gas (NG)
 - Nominal Capacity (Gallons): 40
 - Rated Storage Volume (Gallons): 38
 - Input (BTU): 40,000
 - Uniform Energy Factor: 0.66
 - 1st Hour Rating (Gallons): 80
 - Recovery @ 90°F Rise (GPH): 42
 - Anode: CoreGard Sacrificial
 - NOx Emissions: less than 40ng/J
 - Water Connections: 3/4" NPT
 - Water Connections Location: Top
 - Gas Connection: 1/2" NPT
 - Max Working Pressure: 150 PSI
 - Ignition Type: Piezo push button ignitor
 - Vent Type: Atmospheric (Standard)
 - Venting Size: 3" or 4"
 - Vent Material: B-Vent
 - Elevation: 10,100 ft
 - Dimensions (Diameter x Height): 20" x 58-1/4" (61-3/4" w/ Draft Hood installed)
 - Weight (lbs): 138.
 
Features:
- Blue Diamond glass coating prevents early corrosion of the tank, extending it''s life
 - Dynaclean diffuser dip tube reduces sediment build-up and improves long-term efficiency
 - Coregard anode rod with stainless steel core
 - Heat trap nipple reduces stand-by energy loss
 - Push-button piezo ignitor.
 


























































































































































































































