Description
The Middleby 46451 is a genuine OEM pick-up conveyor speed sensor kit for Middleby Marshall ovens. It monitors conveyor belt speed and provides feedback to the oven’s control system, ensuring consistent product movement and accurate cook times. Replacing a faulty sensor restores proper conveyor operation and cooking consistency.
📌 Details
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Part Number: 46451
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Type: Conveyor Speed Sensor Kit (Pick-Up Style)
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Function: Detects and monitors conveyor speed for feedback to the control board
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Application: Maintains accurate cook times by regulating conveyor drive motor speed
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Construction: Durable sensor assembly with wiring harness and mounting hardware
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Design: OEM kit, direct replacement for factory-installed sensor
💡 Tech Tip
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Conveyor speed problems can be caused by either the drive motor, speed controller, or the sensor — test before replacing.
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Ensure proper alignment of the sensor to the conveyor pick-up target during installation.
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Keep the sensor lens/face clean from grease and debris to prevent false readings.
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If conveyor speed still fluctuates after replacement, check the control board or motor controller for faults.
📌 Compatible Models
Fits Middleby Marshall PS Series conveyor ovens and other models using speed sensor kit PN: 46451.
📌 Note
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This is an OEM precision sensor — non-OEM sensors may not provide correct feedback signals, leading to inaccurate conveyor timing.
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Confirm oven model and serial number before ordering to ensure compatibility.







