A.O. Smith

A.O. Smith® ProLine® 100284788 HNT-40 Electric Water Heater, 40 gal Tank, 9000 W, 240 VAC, 1 ph, Tall

AOSHNT40ZAR MFG #: 100284788
A.O. Smith® ProLine® 100284788 HNT-40 Electric Water Heater, 40 gal Tank, 9000 W, 240 VAC, 1 ph, Tall
  • Phase: 1
  • Power Rating: 9,000 W
  • Tall or Short: Tall
  • Tank Capacity: 40 gal
  • Voltage Rating: 240 V
  • ASME Yes / No: No
  • Dimensions: 18 in Dia x 61-1/4 in H
  • Energy Efficiency: 0.92
  • Heating Element: (2) Incoly®
  • Manufacturer: A.O. Smith
  • Manufacturer #: 100284788
  • Pressure Rating: 150 psi
  • Recovery Rate: 21 gph at 90 deg F Rise
  • Series: HNT-40
  • 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.

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: HNT-40, 40 gal Tank, 240 VAC, 9000 W, 1 ph, 3/4 in MNPT Water Connection, (2) Incoly® Heating Element, 0.92 Energy Efficient, 21 gph at 90 deg F Rise Recovery, 150 psi, Tall, ASME Yes/No: No, 18 in Dia x 61-1/4 in H
  • Features
  • Includes
  • 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
  • ProLine® Master products have increased anode protection with either longer or multiple anodes depending on model
  • Provides superior corrosion resistance compared to industry standard glass lining
  • Blue Diamond® glass coating blend is formulated in the same lab that creates the protection for our industry-leading commercial product line
  • 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
Temperature and Pressure Relief Valve