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Product Overview

  • Direct replacement for original part
  • For SM261, SM262, and SM263 slushy / granita / frozen beverage dispensers
  • Adjusts the consistency of frozen beverages
UPC Code:400013296900


Shipping Weight
0.5 lb.
Knobs  Mechanical Parts


This Narvon 378PSM240 thickness control knob is a perfect replacement for the one that came standard on SM261, SM262, and SM263 slushy / granita machines. The knob is part of your machine's thickness control mechanism, and allows you to manually adjust the consistency of frozen beverages from the factory settings. If it is broken or worn out, adjustments may not work properly so be sure to fix any issues promptly.

Overall Dimensions:
Diameter: 1 1/4"
Height: 1 1/2"

Attention CA Residents:

Attention CA Residents

WARNING:This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

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5 Compatible Models 

Narvon SM261
Narvon SM262
Narvon SM263
Narvon SMM1B
Narvon SMM2B