Lennox Gas Parts

In 2012 Lennox Hearth Products merged with FMI and formed a new company called Innovative Hearth Products or IHP. Going forward the Lennox brand name will be phased out and replaced with IHP.

We carry the full line of OEM replacement parts currently available for Lennox gas stoves and fireplaces. If you cannot find the part you are looking for please call, e-mail or fill out our Parts Request Form and we will be happy to assist you.

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  • Superior & Lennox Pilot Assembly - NG (H4673)
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    Superior & Lennox Pilot Assembly - NG (H4673)

    Replacement natural gas (NG) pilot assembly for Lennox and Superior gas stoves. Fits the following models:Lennox Gas Stoves ELDV35NE ELDV40NE ELDV45NE E36ODGNE E36ODGNE-H E42ODGNE E42ODGNE-H Superior Gas Stoves SLDVT-35NE IHP part #...
    $172.00
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  • IHP SIT Thermocouple (74L57)
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    IHP SIT Thermocouple (74L57)

    Replacement SIT thermocouple for Astria, Lennox and Superior gas fireplaces. Fits the following models: Astria Gas Fireplaces: Altair 40DMN Altair 40DMP Altair 45DMN Altair 45DMP Altair 45DMN-B Altair 45DMP-B Altair 40DMN-B Altair...
    $44.00
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  • Superior SIT Gas Train Assembly - NG (H3223) Superior SIT Gas Train Assembly - NG (H3223)
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    Superior SIT Gas Train Assembly - NG (H3223)

    Natural gas (NG) SIT gas train assembly for Superior gas fireplaces. Fits the following models: NOTES: This kit will convert the fireplace from a Honeywell valve to an SIT valve setup. This will not convert the fireplace from propane (LP) to natural...
    $511.00
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  • Superior BBV-42RMN Gas Train Assembly - NG (H3231) Superior BBV-42RMN Gas Train Assembly - NG (H3231)
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    Superior BBV-42RMN Gas Train Assembly - NG (H3231)

    Replacement SIT natural gas (NG) gas train assembly for Lennox gas stoves, fireplaces and inserts. Includes the gas valve (H6244), pilot assembly (62L12), valve plate and gas supply line. This assembly is to convert a Honeywell valve system to a SIT...
    $426.00
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  • IHP SIT Gas Valve - LP (88J53) IHP SIT Gas Valve - LP (88J53)

    IHP SIT Gas Valve - LP (88J53)

    Replacement propane (LP) SIT gas valve for Lennox gas stoves, fireplaces and inserts. Fits the following Lennox / IHP Gas Fireplace Models: NOTE: This is NOT a direct replacement for a Honeywell valve. If you need to replace a Honeywell valve you...
    $274.00
  • IHP SIT Millivolt Valve - NG (H1657) IHP SIT Millivolt Valve - NG (H1657)

    IHP SIT Millivolt Valve - NG (H1657)

    Replacement natural gas (NG) SIT millivolt gas valve for Earth Stove, IronStrike, Lennox and Whitfield gas stoves and fireplaces. Fits the following models: NOTE: This valve has the short 1.5 inch knobs. If your valve takes longer knobs you will need...
    $249.00
  • OEM SIT Gas Valve - LP (0820651) OEM SIT Gas Valve - LP (0820651)

    OEM SIT Gas Valve - LP (0820651)

    Replacement propane (LP) SIT gas valve for HHT, IHP, Kingsman, Kozy, and Napoleon gas stoves, fireplaces, and inserts. Specs:Pilot outlet - 7/16 24 UNSThermocouple connection -11/32 ASA Manual Hi-Low Regulator 25% - LPG Hi=10 (Pi=12 Q=30,000...
    $200.10

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.