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Hobart 428300-1 Black Knob 2-3/4" OD

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$12.88
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SKU
428300-1
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Griddle & Grill Parts, Griddle & Grill Knobs,
Manufacturer:
The Hobart 428300-1 Black Knob is used to receive rotational input from the user to a shaft connected to it, which translates the movement of the hand into controlled adjustment. It is D-shaped, and it connects to the flat on the shaft to ensure. It is attached to control panels or equipment faces where it has to be adjusted manually. It has an outer diameter of 2-3/4" to be held and a black finish to be seen. Typical uses are foodservice equipment controls, which may be timers, thermostats, and switches.

Dimensions

  • Length: 2.75 In
  • Width: 2.75 In
  • Height: 2 In
  • Weight: 0.12 lbs
https://partsfe.com/media/catalog/product/h/o/hobart-428300-1-black-knob-w-1-4-d-stem-2-3-4-od-53019-2.jpg

Product Notes

  • Knob, Black, 2-3/4" Od Diameter, 1/4" D Stem, Flat Down.
  • Set Screw Down.
  • Fits Vulcan Hart Models~
  • 12, 148L, 148Lc, 24L, 24S, 260L, 260Lc, 260Lcc, 36C, 36Lc,
  • 36S, 36Sb, 36Sbi, 3Gr45Mf, 481L, 481Lc, 48C, 48S, 48Ss,
  • 60Cs, 60L, 60Lc, 60Lcc, 60Sc, 60Ss, 72Cc, 72Cs, 72Sc, 72Ss,
  • Ahp-636, C24S, C36C, C36S, C48C, C48S, C48Ss, C60Cs, C60Ss,
  • C72Cc, C72Cs, C72Sc, C72Ss, Cmj-24, Cmj-36, Cmj-48, Cmj-60,
  • Cmj24, Cmj34, Cmj36, Cmj48, Cmj60, Cmj72, G60Lc, Mg12,
  • V1G12M, V1G12S, V1G24M, V1G24S, V212M, V212S, V218M, V218S,
  • V2H36, V2H36C, V2H36M, V2H36S, V3036, V3036C, V3036M,
  • V3036S, V3G36, V3G36C, V3G36M, V3G36S, V424M, V424S, V436,
  • V436C, V436M, V436S, V636, V636C, V636M, V636S, Vcm24,
  • Vcm34, Vcm36, Vcm48, Vcm60, Vcm72, Vo236, Vs12F, Vs12M,
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FAQS
Customer Questions
What is the Best Electric Griddle?

Electric Griddle is an electronic equipment that uses an electric element as its heat source. It has a large cooking surface often made up of nonstick material. Electric Griddle has a surface which you do not find in the regular stovetop cookware. ...

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What maintenance is required for the Hobart 428300-1 Knob?

Clean the knob regularly with a non-abrasive cloth and mild detergent to remove grease and food residue that can affect grip and readability. Inspect the set screw and stem connection to ensure it remains tight and properly aligned during operation. Avoid over-tightening or forcing rotation to prevent stem damage or cracking. Replace if the knob becomes loose, cracked, or difficult to turn.

What are common issues with the Hobart 428300-1 Knob?

  • Cracked or broken knob from excessive force or impact.
  • Loose set screw causing slipping on the stem.
  • Worn internal fitting leading to poor grip or misalignment.
  • Faded markings or reduced visibility over time.
  • Stiff or uneven rotation due to internal wear or debris.

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Installation Steps

Step1: Turn off equipment and ensure all power is disconnected for safety.

Step2: Pull off the damaged knob from the control shaft.

Step3: Align the new knob stem with the flat shaft position.

Step4: Push the knob firmly onto the shaft until fully seated.

Step5: Tighten any set screw if present to secure the fit.

Step6: Restore power and test smooth rotation and control response.