Caliber nXt Series Parts

Replacement parts for the Heatilator Caliber nXt Series fireplaces. Heatilator made several different models in the Caliber nXt series. It is important to match your specific model against the information listed for the part. 

We carry all available parts for these stoves, but many of them are not on our website. If you can not find what you are looking for please call, e-mail, or fill out our Parts Request Form and we would be happy to assist you.

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  • HHT Control Module (SRV593-592) HHT Control Module (SRV593-592)

    HHT Control Module (SRV593-592)

    The Dexen Electronic Control Module (Part Number 593-592) is a reliable and essential OEM component for your gas fireplace system. This module ensures precise control of the ignition and burner functions, enhancing the efficiency and safety of your unit...
    $74.00
  • HHT 3V Transformer (SRV593-593) HHT 3V Transformer (SRV593-593)
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    HHT 3V Transformer (SRV593-593)

    Replacement 3 volt transformer for Heat N Glo, Heatilator, Majestic, Outdoor Lifestyles and Quadra-Fire gas fireplaces. This is the power cord for the IPI control module (593-592). Fits the following models: Heat N Glo Gas...
    $26.00
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  • HHT Battery Pack (SRV593-594) HHT Battery Pack (SRV593-594)
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    HHT Battery Pack (SRV593-594)

    Replacement battery backup pack for Quadra-Fire, Heatilator, Heat N Glo and Majestic gas fireplaces and log sets. Fits the following models: NOTE: This part uses 2 (two) D batteries, not included. Quadra-Fire Gas Fireplaces: QV36A-FB...
    $14.00
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  • HHT Wire Assembly (SRV593-590) HHT Wire Assembly (SRV593-590)
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    HHT Wire Assembly (SRV593-590)

    Replacement control module wire assembly for Heat N Glo, Heatilator, Majestic, Outdoor Lifestyles, and Quadra-Fire gas fireplaces and log sets. Fits the following models: Heat N Glo Gas...
    $28.00
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  • HHT Mineral Wool (SRV14333) HHT Mineral Wool (SRV14333)
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    HHT Mineral Wool (SRV14333)

    Replacement mineral wool/glowing embers for Quadra-Fire, Heat N Glo, Majestic and Heatilator gas fireplaces. Fits the following models: NOTE: Used for both NG and LP units. Quadrafire Gas Fireplaces: QFP38-NG & QFP38-LP QFP44-NG Heat N...
    $15.00
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  • HHT IPI Gas Valve - LP (750-501) HHT IPI Gas Valve - LP (750-501)

    HHT IPI Gas Valve - LP (750-501)

    Replacement propane (LP) Dexen gas valve for Quadra-Fire, Heatilator, Heat N Glo, and Majestic gas fireplaces. This is an IPI gas valve, does not work with DSI, HSI or standing pilot units. Fits the following models: Quadra-Fire Gas...
    $131.00
  • HHT Vermiculite Bag (28746) HHT Vermiculite Bag (28746)
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    HHT Vermiculite Bag (28746)

    Replacement small bag of vermiculite for Quadra-Fire, Heat N Glo and Heatilator gas fireplaces. Used for both NG and LP units. Fits the following models:Quadra-Fire Gas Fireplaces: QFP38-NG & QFP38-LP QFP44-NG Heat N Glo Gas...
    $6.00
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  • Heatilator IPI Pilot Assembly - NG (4021-584) Heatilator IPI Pilot Assembly - NG (4021-584)
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    Heatilator IPI Pilot Assembly - NG (4021-584)

    Replacement natural gas (NG) pilot assembly for HHT gas fireplaces.  Fits the following models: Note: If your unit doesn't come with a pre-drilled hole for the ceramic base of the flame rod sensor, you'll need to drill a hole to ensure proper...
    $118.00
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Why Choose Us for Your Stove Parts?

We stock both OEM and aftermarket parts to give you the best of both worlds — quality where it matters and savings where it counts.

Most competitors only carry popular aftermarket parts like blowers and igniters. We go beyond that — offering full system support, including air tubes, baffle panels, trim pieces, fasteners, and other hard-to-find components. Whether you're repairing a minor issue or rebuilding your stove from the ground up, we've got every part — not just the easy ones.