ProLine® 40-Gallon Mobile Home Atmospheric Vent Natural Gas Water Heater

Model FMHR-40 400
3.8 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
Blanket

  • Delivers 59-gallon first hour rating
  • HUD compliant, approved for mobile homes/manufactured housing
  • 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 59-gallon first hour rating
    • HUD compliant, approved for mobile homes/manufactured housing
    • Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
    • Gas control convertible for natural and propane gas to meet manufactured housing installation flexibility needs
    • 3/4" top water outlet connections and a 3/4" side inlet connections
    • 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
    • 6-year limited tank and parts warranty

    • The ProLine® 40-Gallon Mobile Home Atmospheric Vent Natural Gas Water Heater is convertible for propane and natural gas and is designed and to meet a wide range of needs of Manufactured Housing installations. Featuring a 40-gallon (nominal) tank and a 35,500 BTU gas burner, the FMHR-40 Standard Vent delivers a first hour rating of 59 gallons and a recovery rate of 36 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
    38 Gallons
    UEF
    0.58
    Maximum BTUs
    35,500
    Power Source
    GAS
    Limited Tank Warranty
    6 Years
    Limited Parts Warranty
    6 Years
    T&P Relief Valve
    Yes
    Water Connection Location
    BOTH
    Water Connection Size
    0.75"
    Emissions
    Low NOx
    First Hour Rating
    59 Gallons
    ASME Certified
    No
    Blanket Included
    No
    Destination Country
    US
    Flue Diameter
    4.00
    Fuel Source
    NATURAL
    Height to Gas Valve
    13.25
    Height to T&P
    51.75
    Ignition Type
    Pilot with Piezo Igniter
    Installation Type
    INDOOR
    Mobile Home Compatible
    true
    Application
    RESIDENTIAL
    Product Tier
    ProLine®
    Shipping Height 
    61.5"
    Shipping Length 
    26"
    Shipping Width 
    23"
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    58.25"
    Diameter
    20 in."
    Shipping Weight
    140lbs
    Vent Type
    Atmospheric Vent
    Find a Replacement
    Current Product
    Option 2
    ProLine® 40-Gallon Mobile Home Atmospheric Vent Natural Gas Water Heater
    ProLine® XE Ultra-Low NOx Indoor 160,000 BTU Condensing Natural Gas Tankless Water Heater
    FMHR-40
    ATI-240H
    Rebates up to $300 +
    Rebates up to $300 +
    Nominal Capacity
    40 Gallons
    Rated Storage Volume
    38 Gallons
    Diameter
    20 in."
    Width
    17.75"
    Depth
    23.5"
    11.25"
    Height
    58.25"
    23.63"
    Shipping Weight
    140lbs
    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
    BOTH
    BOTTOM
    Water Connection Size
    0.75"
    First Hour Rating
    59 Gallons
    Thermal Efficiency
    0%
    0%
    All Reviews for ProLine® Mobile Home Atmospheric Vent (400 series)
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