ProLine® 40-Gallon Direct Vent Liquid Propane Gas Water Heater

Model GDV-40
4.6 out of 5 Customer Rating
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Capacity (Gallons)
Fuel Source
Height Classification
Advanced Options
First Hour Rating
Side Loop
Maximum BTU's

  • Delivers 64-gallon first hour rating
  • 38,000 BTU input direct vent design delivers up to 0.60 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 64-gallon first hour rating
    • 38,000 BTU input direct vent design delivers up to 0.60 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
    • 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
    • 6-year limited tank and parts warranty

    • The FVIR-compliant ProLine® 40-Gallon Direct Vent Liquid Propane Gas Water Heater is to designed to draw air from outside the home, eliminating problems caused by insufficient indoor ventilation. The unit has horizontal air intake and venting on all models up to 80” from the outside wall with no electrical power needed. Featuring a 40-gallon (nominal) tank and a 38,000 BTU propane burner, the GDV-40 (LP) Direct Vent delivers a first hour rating of 64 gallons and a recovery rate of 41 gallons per hour. It carries a 6-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® 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 standards and are only available for purchase through professional wholesalers and contractors.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    40 Gallons
    Rated Storage Volume
    39 Gallons
    UEF
    0.6
    Maximum BTUs
    38,000
    Power Source
    GAS
    Limited Tank Warranty
    6 Years
    Limited Parts Warranty
    6 Years
    T&P Relief Valve
    Yes
    Water Connection Location
    TOP
    Water Connection Size
    0.75"
    Emissions
    Low NOx
    First Hour Rating
    64 Gallons
    ASME Certified
    No
    Destination Country
    US
    Flue Diameter
    4.00
    Fuel Source
    PROPANE
    Height to T&P
    41.75
    Installation Type
    INDOOR
    Application
    RESIDENTIAL
    Product Tier
    ProLine®
    Shipping Height 
    62.5"
    Shipping Length 
    31.5"
    Shipping Width 
    23.5"
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    50.88"
    Diameter
    22 in."
    Shipping Weight
    178lbs
    Vent Type
    Direct Vent
    Find a Replacement
    Current Product
    Option 2
    ProLine® 40-Gallon Direct Vent Liquid Propane Gas Water Heater
    ProLine® XE Ultra-Low NOx Indoor 180,000 BTU Condensing Propane Tankless Water Heater
    GDV-40
    ATI-340H
    Rebates up to $300 +
    Rebates up to $300 +
    Nominal Capacity
    40 Gallons
    Rated Storage Volume
    39 Gallons
    Diameter
    22 in."
    Width
    17.75"
    Depth
    28.5"
    11.25"
    Height
    50.88"
    23.625"
    Shipping Weight
    178lbs
    70lbs
    Power Source
    GAS
    GAS
    Limited Tank Warranty
    6 Years
    0 Years
    Limited Parts Warranty
    6 Years
    5 Years
    T&P Relief Valve
    Yes
    Water Connection Location
    TOP
    BOTTOM
    Water Connection Size
    0.75"
    First Hour Rating
    64 Gallons
    Thermal Efficiency
    0%
    0%
    All Reviews for ProLine® Direct Vent (300 series)
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