Product Details
 
Take advantage of advanced utility savings with ProLine® Grid-Capable water heaters. The built-in CTA-2045 port allows homeowners to connect to local Utility Smart Grid Programs where available. Meets state of Washington and Oregon requirements With a 40-gallon (nominal) tank delivering 4,500 watts, the PESU-40 delivers a first hour rating of 53 gallons at a Uniform Energy Factor of 0.92. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine® water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel CoreGard™ anode rod and Blue Diamond® glass lining, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. All of these features are accompanied by a 10-year limited tank warranty. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors.
Equipped with Demand Response (CTA-2045 EcoPortCM) communication port for Utility Demand Response program participation (Module needed from local utility)
Meets state of Washington and Oregon Grid Capable requirements
User friendly controls to set operating modes & review diagnostics
Dual 4,500-watt commercial-grade heating elements deliver reliable and efficient hot water
Long-lasting lower Incoloy™ stainless steel element
Patented Blue Diamond® glass tank lining protects against corrosion
DynaClean™ automatic cleaning system protects against sediment build-up
Stainless steel CoreGard™ anode rod protects against corrosion longer than ordinary anodes
Commercial-grade brass drain valve for durable and easy operation
CSA Certified and ASME Rated T&P Relief Valve, Factory-Installed
 
 
 
 
 
 
Product Specifications
 
Tech Specs
Nominal Capacity: 
40
Rated Storage Volume 
37
UEF
0.92
First Hour Rating:
52
Upper Element Wattage:
4500
Lower Element Wattage:
4500
Max Wattage:
5500
Voltage:
240
Minimum Voltage Required:
240
Limited Tank Warranty:
10 Years
Limited Parts Warranty:
10 Years
Anode:
Coregard Sacrificial Anode
Self Cleaning:
Yes
T&P Relief Valve:
Yes
Water Connection Location:
Top
Water Connection Size:
3/4"
Grid Connected:
Yes
 
Dimensions & Venting
Type:
Lowboy
Height:
49 3/4"
Diameter:
20 1/2"
Width:
20 1/2"
Depth:
20 1/2"
Shipping Weight:
95