ProLine® Master 55-Gallon Atmospheric Vent Tall Liquid Propane Gas Water Heater

Model HWRX-55L
5 out of 5 Customer Rating
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Capacity (Gallons)
Limited Tank Warranty
Height Classification
Advanced Options
Fuel Source
First Hour Rating
Maximum BTU's
Side Loop
Diameter

  • Delivers 83-gallon first hour rating
  • 54,000 BTU input atmospheric vent design delivers up to 0.62 Uniform Energy Factor
  • Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
  • Product Details
    • Delivers 83-gallon first hour rating
    • 54,000 BTU input atmospheric vent design delivers up to 0.62 Uniform Energy Factor
    • Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
    • Push-button piezo ignitor makes lighting pilot fast & easy
    • Includes side mounted recirculation taps for easy installation with combination space heating/potable water heating applications
    • 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
    • 8-year limited tank and parts warranty

    • The ProLine® Master 55-Gallon Atmospheric Vent Tall Liquid Propane Gas Water Heater is designed to deliver an economical performance that can lower your energy bills and also provide long-lasting value. Featuring a 55-gallon (nominal) tank and a 54,000 BTU propane burner, the HWRX-55L (LP) Standard Vent delivers a first hour rating of 83 gallons and a recovery rate of 65 gallons per hour. It carries a 8-year limited tank warranty, and meets Low NOx emission requirements. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine® Master water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel Coregard™ anode rod, Blue Diamond® glass lining and DynaClean™ automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standard 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
    0.62
    Maximum BTUs
    54,000
    Power Source
    GAS
    Limited Tank Warranty
    8 Years
    Limited Parts Warranty
    8 Years
    T&P Relief Valve
    TRUE
    Water Connection Location
    TOP
    Water Connection Size
    0.75"
    First Hour Rating
    83 Gallons
    ASME Certified
    No
    Blanket Included
    No
    Destination Country
    US
    Flue Diameter
    5.00
    Fuel Source
    PROPANE
    Height to Gas Valve
    13.50
    Height to T&P
    48.00
    Ignition Type
    Pilot with Piezo Igniter
    Installation Type
    INDOOR
    Application
    RESIDENTIAL
    Product Tier
    ProLine® Master
    Shipping Height 
    59.31
    Shipping Length 
    28.13
    Shipping Width 
    25.13
    Side Loop
    Yes
    Dimension & Venting
    Type
    Water Heater
    Height
    55.25"
    Diameter
    24 in."
    Shipping Weight
    185lbs
    Vent Type
    Atmospheric Vent
    Maintenance & Troubleshooting
    Maintenance

    Residential ProLine® Series Atmospheric Vent Application and Installation

    Residential ProLine® Series Atmospheric Vent Lighting the Pilot

    Troubleshooting

    Residential ProLine® Series Atmospheric Vent Draft Test

    Residential ProLine® Series Atmospheric Vent No Hot Water

    Residential ProLine® Series Atmospheric Vent Status Code 1 Flash

    Residential ProLine® Series Atmospheric Vent Status Code 2 Flash

    Residential ProLine® Series Atmospheric Vent Status Code 4 Flash

    Residential ProLine® Series Atmospheric Vent Status Code 5 Flash

    Residential ProLine® Series Atmospheric Vent Status Code 7 Flash

    Residential ProLine® Series Atmospheric Vent Status Code 8 Flash

    Residential ProLine® Series Atmospheric Vent Status Code Light Continuous

    Marketing Videos
    Residential ProLine® Series Atmospheric Vent Features and Benefits
    Residential ProLine® Series Atmospheric Vent How It Works
    All Reviews for ProLine® Master Atmospheric Vent (250 series)
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