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Electrical Heating Element Repair - Selas HT furnace

This procedure outlines the safe lockout/tagout, cool-down, removal, and repair/replacement of heating elements on a Selas HT furnace, including panel removal, lead disconnection, and insulation to prevent shorts. It concludes with reassembly, restoration of power, and operational checks of the blower fan, door seal, and heating elements to verify proper function.
Precision Metal Products
09/24/2025

Electrical Heating Element Repair - Selas HT furnace

This procedure outlines the safe lockout/tagout, cool-down, removal, and repair/replacement of heating elements on a Selas HT furnace, including panel removal, lead disconnection, and insulation to prevent shorts. It concludes with reassembly, restoration of power, and operational checks of the blower fan, door seal, and heating elements to verify proper function.

    Safety

    Safety Procedures and Equipment

    Removal & Repair

    Reassembly

    Operation Check

    Checks to ensure furnace is operating properly

    Blower Fan

    • Pass
    • Flag
    • Fail

    Door Opens, Closes & Seals

    • Pass
    • Flag
    • Fail

    Heating Elements

    • Pass
    • Flag
    • Fail
Source: Precision Metal Products (Community Member)

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