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Lochinvar & A.O. Smith 100093812 Manifold Door Assembly W/Pilot Assembly

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Special Price $102.75 Regular Price $118.16
In stock
SKU
100093812
The Lochinvar & A.O. Smith 100093812 Manifold Door Assembly with Pilot Assembly functions as a critical water heater component that controls gas flow and enables ignition for efficient heating operations. This product directs gas flow to the burner while providing ignition which enhances combustion efficiency. The HVAC system utilizes this assembly to perform in commercial and residential water heaters. This product delivers three main advantages through improved energy efficiency and reduced maintenance needs and enhanced system performance that leads to extended equipment lifespan and dependable heating. The system functions better when used in challenging operational conditions.
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HVAC Controls, HVAC Controls & Electrical
Manufacturer:
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Specifications

  • Type: Manifold Door Assembly W/Pilot Assembly
    Manufacturer Name: Lochinvar & A.O. Smith
    Product Number: 100093812
    OEM Part Number: 100093812
    Product Description: Manifold Door Assy W/Pilotassy
    Weight:1.96lbs/889.04g

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    Product Questions (2)
    Customer Questions
    What maintenance is required for the Lochinvar & A.O. Smith 100093812 Manifold Door Assembly?

    This assembly should be checked during annual boiler servicing for soot accumulation, gasket compression, and pilot flame stability. Clean burner ports and check that the pilot assembly produces a consistent flame signal. Inspect the door seal and mounting hardware to ensure a tight combustion chamber seal and better ignition performance.

    What are common issues with the Lochinvar & A.O. Smith 100093812 Manifold Door Assembly?

    • Pilot flame failure or weak ignition signal.
    • Gas leakage from degraded manifold door gasket.
    • Burner misfire due to clogged or dirty ports.
    • Intermittent shutdown caused by flame sensing issues.
    • Warped door assembly affecting combustion seal.
    • Ignition delay or inconsistent burner light-off.

    Installation Steps

    Step 1: Switch off gas and electrical supply for safety.

    Step 2: Remove access panel and disconnect pilot and manifold tubing carefully.

    Step 3: Unscrew old door assembly and take out unit.

    Step 4: Place new manifold door assembly in position and secure mounting hardware.

    Step 5: Reconnect pilot line and manifold connections tightly.

    Step 6: Restore supplies and check ignition and flame stability.