The Von Duprin 033024 is an 880 Knob Booster Spring Assembly used as a service replacement component for applicable 880 knob trim hardware. It is specifically for trims shipped before October 1989. It is intended to replace the booster spring assembly during repair or maintenance of compatible older 880 trim.

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Manufacturer: Von Duprin
Part Number: 033024
Product Name: 880 Knob Booster Spring Assembly
Applicable Trim: 880 trim shipped before October 1989
Primary Function: Replacement booster spring assembly
Application: 880 knob trim service replacement
OEM Part: Yes
Warranty: 3-year limited (electronic), Limited lifetime (mechanical)