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knight won't fire

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[Deleted User]
[Deleted User] Posts: 503
in THE MAIN WALL
Inside the cover, down to the lower left, there is a white PVC cyclindrical device. THis is the condensate trap. It has a float switch inside of it that if the drain outlet plugs up, will cause this condition. You should check the drain, possibly even taking a wet vac and attaching it to the drain to make certain it is completely clear. If that doesn't work, call in the installers to have them check it out.

ME

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  • PG
    PG Member Posts: 128
    My Knight won't fire. Saying \"SW clogged drain\"..........

    I can't find a clogged drain! Any ideas???????
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