Air Tight Series Parts

Replacement parts for the Heat N Glo Air Tight (AT) Series fireplaces. Heat N Glo made several different models in the AT 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 Burner Supply Tube - 18" (567-301A)
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    HHT Burner Supply Tube - 18" (567-301A)

    Replacement 18" flexible gas connector / burner tube assembly with 3/8" diameter for Heat N Glo, Heatilator and Quadra-Fire gas fireplaces and log sets. Used for both NG and LP units. Fits the following models: Heat N Glo Gas...
    $67.00
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  • Aftermarket HHT Blower - 12.75" (BLWR-HGLO)
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    Aftermarket HHT Blower - 12.75" (BLWR-HGLO)

    Aftermarket blower for Quadra-Fire, Heat N Glo and Heatilator. This includes only the blower which measures 12.75. Fits the blower kit - GFK-160A. Fits the following models:Quadra-Fire Gas Fireplaces: QV36A-FB...
    $151.00
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  • HHT Rheostat Knob - Black (SRV100-512) HHT Rheostat Knob - Black (SRV100-512)
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    HHT Rheostat Knob - Black (SRV100-512)

    Replacement black rheostat knob for Heat N Glo, Heatilator and Quadra-Fire gas fireplaces. Fits the following models: Quadra-Fire Gas Fireplaces: Castile-Gas COLBAY-FS (PRE-ENHANCED) GARNET-MBK & GARNET-T SAPPHIRE SAPPHIRE-D Topaz I30SE-LC...
    $17.00
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  • Rotom Heat & Glo Blower Kit (HB-RB168) Rotom Heat & Glo Blower Kit (HB-RB168)
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    Rotom Heat & Glo Blower Kit (HB-RB168)

    Replacement Rotom fan blower kit for HHT gas fireplaces. Measures 13" long x 4-7/8" high with 2 openings 1" x 4-7/8". Fits the following models: NOTE: Kit includes 115V blower, speed control, thermoswitch, plate connector, magnets and cord with 2 prong...
    $260.00
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  • HHT Temp Sensor (SRV046-018A)
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    HHT Temp Sensor (SRV046-018A)

    Replacement high limit switch/thermostat temp sensor assembly for Quadra-Fire, Heat N Glo and Heatilator gas fireplaces. Fits the following models: Quadra-Fire Gas Fireplaces: I30SE-LC, I30SE...
    $112.00
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  • Heat N Glo AT-GRAND Log Set Assembly (LOGS-ATG) Heat N Glo AT-GRAND Log Set Assembly (LOGS-ATG)
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    Heat N Glo AT-GRAND Log Set Assembly (LOGS-ATG)

    Replacement log set assembly for Heat N Glo gas fireplaces. Fits the following models: Heat N Glo Gas Fireplaces: AT-GRAND AT-GRAND-B AT-GRAND-C AT-GRANDLP AT-GRANDLP-B AT-GRANDLP-C Heat N Glo part # LOGS-ATG OEM HHT part May fit other...
    $359.00
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  • Heat N Glo Log (SRV446-704) Heat N Glo Log (SRV446-704)
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    Heat N Glo Log (SRV446-704)

    Replacement log for Heat N Glo gas fireplaces and gas log sets. Fits the following models: NOTE: Some stoves may require more than 1 piece for complete replacement. Please order the quantity you require. Sold individually. Heat N Glo Gas Log...
    $135.00
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  • HHT Glass Door Assembly (GLA-349) HHT Glass Door Assembly (GLA-349)
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    HHT Glass Door Assembly (GLA-349)

    Replacement glass door assembly for Hearth & Home gas stoves and fireplaces. This part measures approximately 30" X 14.656". Fits the following HHT gas fireplace models: Heat N Glo Gas...
    $589.00
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Why Buy Parts from Mountain View Hearth Products?

We’re the world’s largest source for stove, fireplace, grill, and appliance repair parts. Whether you’re fixing a decades-old wood stove or replacing a worn-out control board on a high-end grill, we make it easy to get the right part — fast.

We stock both original manufacturer parts and high-quality alternatives — so you get the same great fit and performance, often with more affordable options to choose from.

Most sellers only carry the basics like blowers and igniters. We go deeper — with brackets, trim, switches, control panels, gaskets, screws, and more. If your unit has it, chances are, we carry it.