AO Smith®

AO Smith® ProLine® 100288238 ENT-40 Electric Water Heater, 40 gal Tank, 240 VAC, 9000 W, 1 ph, Tall or Short: Tall

1434481 MFG #: 100288238
$1,505.95 / ea
AO Smith® ProLine® 100288238 ENT-40 Electric Water Heater, 40 gal Tank, 240 VAC, 9000 W, 1 ph, Tall or Short: Tall
  • ASME Yes/No: No
  • Dimensions: 18 in Dia x 61-1/4 in H
  • Energy Factor: 0.92
  • Heating Element: (2) Copper
  • Phase: 1
  • Power Rating: 9000
  • Pressure Rating: 150
  • Recovery Rate: 21 gph at 90 deg F Rise
  • Series: ENT-40
  • Tall or Short: Tall
  • Tank Capacity: 40
  • Voltage Rating: 240
  • Water Connection: 3/4 in MNPT

AO Smith® ProLine® Electric Water Heater, Series: ENT-40, 40 gal Tank, 240 VAC, 9000 W, 1 ph, 3/4 in MNPT Water Connection, (2) Copper Heating Element, 0.92 Energy Factor, 21 gph at 90 deg F Rise Recovery, 150 psi, Tall, ASME Yes/No: No, 18 in Dia x 61-1/4 in H

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 (nominal) tank delivering 4500 W, the ENT-40 delivers a first hour rating of 53 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.

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  • Features
  • Enhanced heating elements
  • 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 (diffuser design is not used on lowboy models)
  • High energy factors
  • Eco-friendly non-CFC foam insulation, heat traps and other features combine to yield a higher Energy Factor that maximizes savings on operating costs
  • Coregard™ anode rod
  • 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
  • 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
  • 60 Hz
  • Low lead content
  • Standard/Approvals: CSA Certified|CSA Certified and ASME Specified T&P Relief Valve|UL Listed|Meets UBC and ICC National Codes and listed with CEC|Federal Energy Conservation Standards with Energy Policy and Conservation Act (EPCA)
  • INCLUDES: Temperature and Pressure Relief Valve
  • WARRANTY: 6 Years Limited Tank and Parts