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    Lochinvar Knight XL Condensing Water Heater

    Commercial-grade condensing tank with exceptional recovery for large homes.

    0.95 UEF
    165 gal/hr
    55 gal

    Technical Specifications

    0.95

    UEF Rating

    165

    1st Hr Rating (gal)

    55

    Tank Capacity (gal)

    Heater TypeTank
    Fuel TypeGas
    BTU Range100k – 199k
    Installed Price$4,500 – $7,000
    Tank Warranty15 years
    Parts Warranty5 years
    Labor Warranty1 year

    Key Features

    SMART SYSTEM controls

    Fire tube heat exchanger

    Modulating burner

    Pros & Cons

    Pros

    • Ultra-high efficiency
    • Massive recovery rate
    • Commercial-grade build

    Cons

    • Very expensive
    • Professional installation required
    • Overkill for small homes

    Best For

    Large homes and light commercial applications

    Warranty Snapshot

    Tank: 15 years

    Parts: 5 years

    Labor: 1 year

    Register equipment with the manufacturer after installation to preserve coverage. We handle registration on Homets installs.

    Frequently Asked Questions

    Ready to Install the Knight XL?

    Get a free, no-obligation quote for professional water heater installation by licensed plumbers serving Nassau County.

    Get Your Free QuoteCall (516) 345-3911