ProLine® 30-Gallon Mobile Home Atmospheric Vent Natural Gas Water Heater

Model FMHR-30
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
Blanket

  • Delivers 63-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

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    What to Expect from this Model
    modal-clock
    tooltip
    Number of minutes you can enjoy a shower before running out of hot water. Assumes a 2.1 GPM flow rate
    19.5 minutes
    single shower length
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    tooltip
    Number of back-to-back showers you can take without running out of hot water. Assumes a 2.1 GPM flow rate and an 8 minute shower length
    2.4 showers
    back-to-back
    modal-frame
    tooltip
    Number of showers you can take at the same time without running out of hot water. Assumes a 2.1 GPM flow rate and an 8 minute shower length
    2.1 showers
    at the same time
    modal-tank-capacity
    tooltip
    Biggest tub this water heater will fill without running out of hot water. Assumes a 5.0 GPM flow rate, and a 67% fill level
    51 gallons
    max tub size
    modal-cost
    tooltip
    The estimated annual cost to operate this water heater in your location
    $291/year
    est. energy cost
    Based on location results for Columbus, OH 43215
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    Edit Location / Advanced Settings
    Product Details
    • Delivers 63-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® 30-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 30-gallon (nominal) tank and a 35,500 BTU gas burner, the FMHR-30 Standard Vent delivers a first hour rating of 63 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 standard and are only available for purchase through professional wholesalers and contractors.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    30 Gallons
    Rated Storage Volume
    29 Gallons
    UEF
    0.61
    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
    63 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
    52.00
    Ignition Type
    Pilot with Piezo Igniter
    Installation Type
    INDOOR
    Mobile Home Compatible
    true
    Application
    RESIDENTIAL
    Product Tier
    ProLine®
    Shipping Height 
    59.82
    Shipping Length 
    23.57
    Shipping Width 
    20.75
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    57.75"
    Diameter
    18 in."
    Shipping Weight
    125lbs
    Vent Type
    Atmospheric Vent
    Find a Replacement
    Current Product
    Option 2
    ProLine® 30-Gallon Mobile Home Atmospheric Vent Natural Gas Water Heater
    ProLine® XE Ultra-Low NOx Indoor 120,000 BTU Condensing Natural Gas Tankless Water Heater
    FMHR-30
    ATI-140H
    current Product
    option 1
    Rebates up to $300 +
    Rebates up to $300 +
    Nominal Capacity
    30 Gallons
    Rated Storage Volume
    29 Gallons
    Diameter
    18 in."
    Width
    13.87"
    Depth
    21.5"
    10.81"
    Height
    57.75"
    22.87"
    Shipping Weight
    125lbs
    53lbs
    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
    63 Gallons
    Thermal Efficiency
    0%
    0%
    All Reviews for ProLine® Mobile Home Atmospheric Vent (400 series)
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