The ProLine standard electric heater is the reliable choice when you are looking to maximize your hot water output and is designed with environmentally friendly insulation to reduce standby heat loss. With a 40 gal (nominal) tank delivering 4500 W, the ENS-40 delivers a first hour rating of 55 gal at an uniform energy factor of 0.92. The CoreGard sacrificial anode helps protect the tank from the corrosive effects of water and is accompanied by a 6-year limited tank warranty.
Mid-City Product ID: 343516
Manufacturer: A.O. Smith
Manufacturer Part Number: 100223851
UPC: 671657196981
Additional Information: Lead-Free; Energy Factor 0.92; Working Pressure Rating 150 PSI; Test Pressure Rating 300 PSI
Applicable Standard: UL, UBC, ASHRAE/IESNA 90.1, EPCA, CEC, HUD, ICC, CSA
Application: For residential applications
Brand: A.O. Smith
Capacity: 40 gal
Connection Size: 3/4 in
Connection Type: MNPT
Dimensions: 20-1/2 in Dia x 49-3/4 in H
Drain Valve Details: Tamper Resistant, Enhanced-Flow, Solid Brass
Element Wattage: 4500 W
Energy Factor: 0.92
Energy Saver Conformance: Yes
First Hour Delivery: 55 gal
Gph Recovery: 21 GPH at 90 Deg F
Inclusions Features: Coregard Stainless Steel Anode Rod, DynaClean Diffuser Dip Tube, Enhanced Heating Element
Inlet Outlet Connection: 3/4 Inch Male Threaded
Input Supply Rating: 240 Volt
Insulation Details: Non-CFC Foam
Lead Free Contains Lead: Contains Lead
Number Of Anode Rods: 1
Number Of Elements: 2
Power Rating: 6000 W
Power Rating Of Elements: 4500 Watt
Pressure Rating: 150 psi
Product Features: Dual 4500 Watt Elements for Fast Recovery and Reliable Operation; Incoloy Stainless Steel Lower Element Lasts Longer than a Standard Copper Element; Dynaclean Diffuser Dip Tube Helps Reduce Lime and Sediment Buildup and Maximizes Hot Water Output, Made from Long-Lasting PEX Cross-Linked Polymer; Eco-Friendly Non-CFC Foam Insulation, Heat Traps and Other Features Combine to Yield a Higher Energy Factor that Maximizes Savings on Operating Costs; Our Anode Rods have a Stainless Steel Core that Extends the Life of the Anode Rod Allowing Superior Tank Protection Far Longer than Standard Anode Rods; Uses a Standard Female Hose Fitting that Allows for Fast and Easy Draining During Maintenance; Designed for Easy Operation this Valve Includes an Integral Screwdriver Slot that Features a 1/4 Turn (Open/Close) Radius, Which Not Only Permits Full Straight Through Water Flow but also a Quick and Positive Shut-Off; Lead-Free
Recovery Rate: 21 gph at 90 deg F Rise
Relief Valve Details: CSA/ASME Temperature and Pressure Relief Valve Supplied
Standards/Approvals: AHRI Certified|ASHRAE/IES 90.1|CEC Compliant|CSA Certified|Federal Energy Conservation Standard|HUD Certified|ICC National Codes|UBC Certified|UL 174
Tank Capacity: 40 Gallon
Tank Dimensions: 20-1/2 Inch Diameter x 49-3/4 Inch Height
Tank Material: Glass Lined
Tank Warranty: 6 Year Limited
Type: Short
UNSPSC: 40101825
Voltage Rating: 240 V
Warranty: 6 year Limited
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