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The BT1753510S is a genuine Goodman electrical disconnect (pull-out switch block) for the AWUF36101AA air handler. It provides the code-required local means of disconnect so the unit can be safely de-energized for service. A pitted, heat-damaged, or arced disconnect is a common cause of intermittent power loss and a real fire and shock hazard — replacing it restores a clean, reliable connection.
The genuine Goodman OEM disconnect matches the original housing footprint and blade geometry, so it drops into the existing enclosure cutout and lands on the same terminals. Generic disconnects may have different blade spacing or amperage ratings, forcing rework of the wiring or enclosure. For a safety-critical electrical component, the OEM part removes the guesswork.
Difficulty: Moderate — electrical. Power MUST be shut off at the breaker before service. Removal involves disconnecting the line and load conductors and swapping the pull-out block. Verify there is no voltage with a meter before touching any terminal. Budget 30–45 minutes. Because this carries line voltage, a licensed electrician or HVAC technician is recommended if you are not certified.