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Furnace intermittent lockout

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  7 year old Beckett furnace. Was cleaned in September. Not too long after started locking out intermittenly. Tech came replaced nozzle couple adjustments was fine now locking out again periodically. Any thoughts appreciated

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  • STEVEusaPA
    STEVEusaPA Member Posts: 6,505
    edited November 2023
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    Get a different tech.
    I can give you 900 ideas, but a competent tech would figure it out quicker. Anything from a vacuum leak, improper bleeding, bad pump cut-off, improper combustion set up, intermittent failing igniter and everything in between.
    Nuisance lockouts can be pretty frustrating. At the very least they could install a modern primary control that records run cycles and faults to point them in the right direction.

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