DR/DT-400 Parts

Repalcement parts for Superior DR-400 and DT-400 gas fireplaces.

Includes DR/DT-400CMN, DR/DT-400CMP and DR/DT-400CEN models.

We offer the full line of OEM replacement parts currently available for Superior DR-400 and DT-400 gas fireplaces, by IHP. 

We may have some discontinued parts still in stock, as well as aftermarket options. 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.

Sidebar Sidebar Sidebar
  • IHP Touch-Up Spray Paint - Black (90L73) IHP Touch-Up Spray Paint - Black (90L73)
    Add to Cart The item has been added

    IHP Touch-Up Spray Paint - Black (90L73)

    Black touch-up stove paint (spray paint) for Lennox wood and gas fireplaces, inserts and stoves. Comes in a 12oz can. Fits the following models: NOTE: Due to DOT regulations, this item cannot be shipped by air and must be shipped by ground. For...
    $42.00
    Add to Cart The item has been added
  • IHP Honeywell Valve - NG (62L18) IHP Honeywell Valve - NG (62L18)

    IHP Honeywell Valve - NG (62L18)

    Replacement natural gas (NG) Honeywell valve for Astria, Lennox and Superior gas fireplaces with electronic ignition controls. Fits the following models: Astria Gas Fireplaces: Libra 40STDEN Libra 40PFDEN Libra 40CLDEN Libra 40CRDEN Lennox Gas...
    $497.00
  • Lennox & Superior SIT Gas Train Assembly - NG (H3219) Lennox & Superior SIT Gas Train Assembly - NG (H3219)
    Add to Cart The item has been added

    Lennox & Superior SIT Gas Train Assembly - NG (H3219)

    Natural gas (NG) SIT gas train assembly for Lennox and 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)...
    $412.00
    Add to Cart The item has been added
  • IHP Piezo Igniter Wire (56L21)
    Add to Cart The item has been added

    IHP Piezo Igniter Wire (56L21)

    Replacement piezo igniter wire for Astria, Lennox, Superior and Whitfield gas fireplaces. Fits the following models: NOTE: This is the wire only and does not include the Piezo igniter. The Piezo igniter is part # 10K86, click HERE Astira Gas...
    $28.00
    Add to Cart The item has been added
  • IHP 24V Transformer (42J32) IHP 24V Transformer (42J32)
    Add to Cart The item has been added

    IHP 24V Transformer (42J32)

    Replacement 24v transformer for Astria, Lennox and Superior gas fireplaces. Fits the following models: Astria Gas Fireplaces: EROS 35STDEN Libra 40STDEN Libra 40PFDEN Libra 40CLDEN Libra 40CRDEN Lennox Gas...
    $117.00
    Add to Cart The item has been added
  • IHP SIT Pilot Tube w/Fitting (74L56)
    Add to Cart The item has been added

    IHP SIT Pilot Tube w/Fitting (74L56)

    Replacement SIT pilot tube with fittings for Astria, Lennox, IronStrike 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...
    $93.00
    Add to Cart The item has been added
  • Superior Door Assembly (H3649) Superior Door Assembly (H3649)
    Add to Cart The item has been added

    Superior Door Assembly (H3649)

    Replacement door assembly for Superior gas fireplaces. Fits the following models: Superior Gas Fireplaces: DT-400 DR-400 SSDVR3328CNM Superior part # H3649Replaces old part number LB-92534HOEM IHP part May fit other models, please check...
    $212.00
    Add to Cart The item has been added
  • Superior DT-400 & DR-400 Log Set (67L39) Superior DT-400 & DR-400 Log Set (67L39)
    Add to Cart The item has been added

    Superior DT-400 & DR-400 Log Set (67L39)

    Replacement log set for Superior gas fireplaces. Fits the following models: Superior Gas Fireplaces: DR-400CMN DR-400CMP DR-400CEN DT-400CMN DT-400CMP DT-400CEN Superior part # 67L39OEM IHP part May fit other models, please check your...
    $200.00
    Add to Cart The item has been added

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.