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Lochinvar & A.O. Smith 100093801 Natural Gas Manifold Door Assembly

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Special Price $137.82 Regular Price $158.50
In stock
SKU
100093801
The Lochinvar & A.O. Smith 100093801 Nat Manifold Door Assembly is an important part of commercial and industrial HVAC systems. It enables natural gas to be admitted into the combustion chamber of a boiler or furnace hence efficient and safe operation. The manifold door assembly is designed to manage the flow of gas to the burner, thus improving combustion efficiency and heat transfer. The assembly is made from high-quality components that do not wear out or strain easily thus guaranteeing the assembly’s longevity.
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Heating & Furnace Parts, Manifolds & Headers
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Specifications

  • Type: Nat Manifold Door Assembly
    Manufacturer Name: Lochinvar & A.O. Smith
    Product Number: 100093801
    OEM Part Number: 100093801
    Product Description: Nat Manifold Door Assy
    Weight:1.96lbs/889.04g

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    Product Questions (2)
    Customer Questions
    What maintenance is required for the Lochinvar & A.O. Smith 100093801 Natural Gas Manifold Door Assembly?

    Check the manifold door seal regularly for warping, gaps, or heat damage that could affect combustion safety. Tighten all mounting screws to prevent vibration loosening during operation. During servicing, inspect internal burner alignment and ensure no debris interferes with proper gas distribution.

    What are common issues with the Lochinvar & A.O. Smith 100093801 Natural Gas Manifold Door Assembly?

    • Air leakage around door gasket causing poor combustion.
    • Loose mounting leading to vibration noise or shifting.
    • Misalignment affecting burner ignition and flame stability.
    • Heat stress deformation of the door panel over time.

    Installation Steps

    Step 1: Turn off gas and electrical supply, allow system to cool fully, isolate all energy sources before starting.

    Step 2: Remove existing manifold door assembly, clean surrounding area to clear debris and buildup.

    Step 3: Position new manifold door assembly carefully and align all mounting points with the housing.

    Step 4: Tighten fasteners and reconnect gas line, check all joints for leaks using approved solution.

    Step 5: Restore power and gas slowly, test ignition sequence and flame stability under normal operating conditions.