ProLine® Grid-Capable 55-Gallon Tall Electric Tank Water Heater

Model PETU-55 100
Capacity (Gallons)
First Hour Rating
Limited Tank Warranty
UEF
Height Classification

  • 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
  • Product Details
    • 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

    • 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 55-gallon (nominal) tank delivering 4,500 watts, the PETU-55 delivers a first hour rating of 75 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.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    55 Gallons
    Rated Storage Volume
    55 Gallons
    UEF
    0.94
    Power Source
    ELECTRIC
    Limited Tank Warranty
    10 Years
    Limited Parts Warranty
    10 Years
    T&P Relief Valve
    Yes
    Water Connection Location
    TOP
    Water Connection Size
    0.75"
    First Hour Rating
    75 Gallons
    ASME Certified
    No
    Blanket Included
    No
    Destination Country
    US
    Digital Display
    true
    Height to T&P
    48.50
    Installation Type
    INDOOR
    Max Wattage
    4,500
    Number of Elements
    2
    Shipping Height 
    60.63"
    Shipping Length 
    28.25"
    Shipping Width 
    25.13"
    Side Loop
    No
    Voltage
    240
    Dimension & Venting
    Type
    Water Heater
    Height
    56.5"
    Diameter
    24 in."
    Shipping Weight
    145lbs