Manitowoc Ice Machine Ice Thickness Control Probe Parts — Models & Compatibility

Your Manitowoc ice machine won't stop filling, or worse—it's producing ice that's way too thick or too thin. That's usually your ice thickness control probe failing. This 7627813 probe works across Manitowoc's B, J, and Q series commercial ice machines, replacing original part numbers 76-2781-3 and 2008029.
Is This the Right Part for Your Model?
This probe fits over 40 Manitowoc models across three major series. Check your model number—it's on a metal tag inside the ice machine door or on the right side panel. You'll see something like BD0602A, JT0450W, or QD0273A. The letter prefix (BD, BR, IB, JT, QD, etc.) tells you which series you have.
Compatible series include:
- B Series: BD models (undercounter dice cube) and BR models (undercounter regular cube)
- J Series: JT models (top-hat cube makers)
- Q Series: QD models (QuietQube ice machines)
About This Replacement Part
The ice thickness control probe is essentially the brain of your ice-making cycle. It monitors ice thickness during the freeze cycle and signals the control board when the ice reaches the correct size. When it fails, you'll get undersized ice cubes that crumble, oversized chunks that bridge together, or a machine that never stops filling because it can't sense the ice properly.
This probe mounts in the evaporator section and makes direct contact with the forming ice. Over time, mineral deposits from water can insulate the probe tip, throwing off its readings. Sometimes the probe itself develops internal breaks from the constant freeze-thaw cycles. Either way, replacing it restores proper ice thickness control.
OEM replacement for Manitowoc part numbers 76-2781-3 and 2008029. Direct fit—no modifications needed for any listed model.
Complete Model Compatibility
This probe works with these Manitowoc models:
BD Series (Undercounter Dice): BD0202A, BD0203W, BD0322A, BD0422A, BD0602A, BD0802A, BD1002A, BD1302A, BD1802A
BR Series (Undercounter Regular): BR0200A, BR0320A, BR0420A, BR0600A, BR0800A
IB Series: IB0622DC, IB0624YC, IB0822DC
JT Series (Top-Hat): JT0450W, JT1500A
QD Series (QuietQube): QD0132A, QD0133W, QD0212A, QD0213W, QD0272A, QD0273A, QD0452A, QD0602A
Why Commercial Ice Machines Need Quality Probes
Commercial ice production runs non-stop during business hours. Your ice thickness probe endures hundreds of freeze-thaw cycles every week—going from room temperature to below freezing and back again, sometimes 20+ times per day. Cheap probes use inferior sensors that drift out of calibration or break entirely within months.
This replacement matches Manitowoc's OEM specifications for response time and temperature range. It'll handle the thermal stress and maintain consistent ice production for years, not months.
Installation Overview
You'll need to access the evaporator compartment, disconnect the old probe's wire connector, unscrew the mounting bracket, and install the new probe in the same position. The probe tip needs direct contact with the ice slab during the freeze cycle—proper positioning matters. Most techs can swap this in 15-20 minutes once they've accessed the evaporator.
Always power down the machine completely before working on electrical components. Check your install by running a test cycle and verifying the machine kicks into harvest mode at the right ice thickness.
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