![Product Literature: ProLine® Master Standard Electric with Electronic Thermostat Connected (100 series)](https://www.hotwater.com/dw/image/v2/BDTV_PRD/on/demandware.static/-/Sites-hotwater-Library/default/dwd914e18c/images/literatureimage.jpg?sw=375&sh=375&sm=fit)
Product Literature: ProLine® Master Standard Electric with Electronic Thermostat Connected (100 series)
With a 50-gallon (nominal) tank delivering 5,500 watts, the HESF-50 delivers a first hour rating of 67 gallons at an Uniform Energy Factor of 0.92.