Vulcan Hart VH402957 Knob 1-7/8" DIA

SKU: VH402957 1-VH402957 Brand:
Vulcan Hart
Availability:
In Stock
(0)
$19.66
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Specifications:

  • Aluminum Knob [ 1-7/8" X 7/8" ] [Mount 3/8 Round]
  • [.25" D-Stem Flat Down ], Set Screw Down
  • Vulcan
  • Broiler Hcb44 (Old 7844L), Hcbo40 (Old 7840Al).
  • Grill Hd.
  • Oven Series: H(Old 7800 & Sg7800).
  • Range Series: 7800.

Description

The Vulcan Hart VH402957 knob is a control interface with a diameter of 1-7/8" that is used on compatible commercial cooking-equipment. It provides a manual point of control to control the internal controls like the temperature or the number of burners depending on the appliance setup. The knob which is mounted on the front control panel translates operator input into specific mechanical or electrical modifications in the system. In a commercial kitchen, it can be used to maintain consistent equipment use by allowing proper adjustments during cooking to assist in maintaining stable efficiency.

Dimensions:

  • Weight: 0.1 lbs
  • Length: 1.88 in
  • Height: 1 in
  • Width: 0.5 in

HOBART:

00-402957-00001 102957 102957-1 402957 402957-00001 402957-1

VULCAN HART:

-00-402957-00001 -102957 -102957-1 -402957 -402957-00001 -402957-1 00-402957-00001 102957 102957-1 402957 402957-00001 402957-1 VH00-402957-00001 VH102957 VH102957-1 VH402957-00001 VH402957-1

Step1: Turn off power or gas supply to the appliance to avoid accidental activation or damage.

Step2: Remove the existing knob by pulling it straight off the stem shaft avoiding using excessive force.

Step3: Align the new knob with the stem and press firmly until fully seated.

Step4: Check that the indicator is positioned correctly and the knob rotates smoothly across settings.

Step5: Restore power or gas and test appliance operation for proper control response.

  • What maintenance is required for the Vulcan Hart VH402957 Knob?

    Clean the knob regularly to remove grease and debris that can affect grip and visibility. Inspect for cracks or looseness on the shaft. Ensure a secure fitting, so it properly controls the valve or switch mechanism.

  • What are common issues with the Vulcan Hart VH402957 Knob?

    • Cracked or broken knob housing.
    • Loose fit on control shaft.
    • Worn markings affecting readability.
    • Difficulty in turning or adjusting control.
    • Slippage causing inaccurate settings.

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