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A.O. Smith
A.O. Smith® ProLine® 100159018 ENT-40 Electric Water Heater, 40 gal Tank, 240V, 4500 W, 1 ph Phase, Tall
AOSENT40ZAR
MFG #: 100159018
- Power Rating: 4500 W
- Voltage Rating: 240 V
- Anode Rod Material: Zinc
- ASME Yes / No: No
- Dimensions: 18 in W x 61-1/4 in H
- Energy Factor: 0.92
- Heating Element: (2) Copper/Incoloy®
- Manufacturer: A.O. Smith
- Manufacturer #: 100159018
- Pressure Rating: 150 psi
- Recovery Rate: 21 gph at 90 deg F
- Series: ProLine
- Water Connection: 3/4 in MNPT
The ProLine® standard electric water 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 tank delivering 4500 W, the ENT-40 delivers a first hour rating of 50 gal at an Energy Factor of 0.95. The Coregard™ sacrificial anode helps protect the tank from the corrosive effects of water and is accompanied by a 6-years limited tank warranty.
Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.
A.O. Smith® ProLine® Electric Water Heater, Series: ENT-40, 40 gal Tank, 240V, 4500 W, 1 ph, 3/4 in MNPT Water Connection, (2) Copper/Incoloy® Heating Element, 0.92 Energy Factor, 21 gph at 90 deg F Rise Recovery, 150 psi, Tall or Short: Tall, ASME Yes/No: No, 20 in W x 60-1/4 in H
Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.
A.O. Smith® ProLine® Electric Water Heater, Series: ENT-40, 40 gal Tank, 240V, 4500 W, 1 ph, 3/4 in MNPT Water Connection, (2) Copper/Incoloy® Heating Element, 0.92 Energy Factor, 21 gph at 90 deg F Rise Recovery, 150 psi, Tall or Short: Tall, ASME Yes/No: No, 20 in W x 60-1/4 in H
- Features
- Enhanced heating elements - Dual 4500 W 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, maximizes hot water output, made from long-lasting PEX cross-linked polymer
- High energy factors - Eco-friendly non-CFC foam insulation, heat traps and specially designed combustion chamber combine to produce a high energy factor for maximum savings on operating costs
- Coregard™ anode rod - Have a stainless steel core that extends the life of the anode rod allowing superior tank protection for longer than standard anode rods
- Blue Diamond® glass coating - Provides superior corrosion resistance compared to industry standard glass lining
- Enhanced-flow brass drain valve - Our residential water heaters have a solid brass, tamper-resistant, enhanced-flow, ball type, drain valve
- 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
- Approved for manufactured housing - All residential electric water heaters are compliant with HUD standards for mobile homes/manufactured housing
- Design listed by underwriters laboratories - Certified at 300 psi test pressure and 150 psi working pressure
- Listed according to UL 174 standards governing storage tank-type electric water heaters
- Universal aluminum/zinc anode rod