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Thread: Cambridge MAU

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  1. #1
    Join Date
    Mar 2010
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    Cambridge MAU

    Had a winter maintenance call for a car wash with Cambridge MAUs.
    below is the flame sensor, notice how its worn down to a nub. Amazingly it was still able to read flame. told mgr need to replace sensor, didnt wanna do it.
    The second is the amount of clearance i had at the blower door.
    Third is looking in at the blower, couldnt get a good photo of how loose the belts were.

    3 months later get the call for no heat. new sensor vs old sensor
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