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 PNS-40 delivers a first hour rating of 54 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 10-years limited tank warranty.

AO Smith® ProLine® Electric Water Heater, Series: PNS-40, 40 gal Tank, 240 VAC, 9000 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: Short, ASME Yes/No: No, 20-1/2 in W x 49-3/4 in H

• 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
• Magnesium anode rods for maximum corrosion protection

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/AO_Smith_100051462_Catalog.pdf https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/AO_Smith_100051462_Catalog.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/A_O_Smith_ENL20261291000_Manual.pdf https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/A_O_Smith_ENL20261291000_Manual.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/A_O_Smith_ENL20261291000_Specification_Sheet.pdf https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/A_O_Smith_ENL20261291000_Specification_Sheet.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/A_O_Smith_ENL20261291000_Warranty.pdf https://www.hirsch.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/A_O_Smith_ENL20261291000_Warranty.pdf