Presto Canner Pressure Regulator Knob, 37603

Presto® Canner Pressure Regulator Knob | OEMCompatible | Part 37603 (for Regulator 09978)

Brand New Replacement Pressure Regulator Knob for Presto® Pressure Canners

This highquality OEMstyle pressure regulator knob replaces
Presto® part 37603 and is designed for use with Regulator 09978.
A worn or damaged knob can prevent proper pressure control, cause inconsistent canning performance, or make it difficult to adjust or remove the regulator.
This directfit replacement restores smooth operation and reliable pressure regulation for safe home canning.

Product Features

• OEMcompatible replacement for Presto® 37603


• Designed specifically for Pressure Regulator 09978


• Durable, heatresistant construction for long service life


• Ensures proper pressure control during canning


• Easy to install with a secure, comfortable grip


• Condition: Brand New Unused

Fits Models

Compatible with Presto® pressure canners using Regulator 09978.

Always verify compatibility with your exact model number before purchase.

Common Fixes

• Loose, cracked, or missing regulator knob


• Difficulty adjusting or removing the pressure regulator


• Inconsistent pressure during canning


• Steam escaping due to improper regulator seating

Installation Tips

• Ensure canner is completely cool and depressurized before servicing


• Remove old or damaged knob from the regulator assembly


• Align new knob and press firmly into place for a secure fit


• Inspect regulator for debris or wear before reinstalling on vent pipe


• Test regulator movement to ensure smooth operation

Restore safe, consistent pressure control with this OEMcompatible Presto® regulator knob for use with Regulator 09978.