Description
The Wunder-Bar Spring Tension Adjusting Nut is a specialized internal component for commercial soda bar guns. This nut (FR-29) manages the compression of the internal valve springs, allowing technicians to fine-tune the tactile response and shut-off speed of individual beverage buttons. Constructed from high-durability, moisture-resistant polymer, it is designed for the high-cycle use of a professional bar. Essential for any technician performing a full gun rebuild or addressing “sticky buttons” in standard Wunder-Bar post-mix systems.
Technician’s Repair Tip: If your soda gun buttons feel “spongy” or are failing to return to the neutral position quickly, the spring tension nut may be cracked or out of adjustment. When performing a rebuild, ensures the internal valve stem is clean of syrup residue. Adjust the nut until the button has a crisp, responsive snap. This genuine Wunder-Bar part restores factory-spec operation to your dispensing hardware.
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