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.