Description
The Wunder-Bar Screw Shutoff Assembly is a critical maintenance component for commercial bar guns. This assembly includes the internal screw and specialized Santoprene seals required to isolate fluid flow in the gun manifold. Santoprene is chosen for its superior chemical resistance and flexibility, ensuring a drip-free operation and long-term durability in high-traffic environments. Replacing this assembly is essential for fixing “creeping” buttons or internal fluid leaks.
Technician’s Repair Note: When installing the shutoff screw, ensure it is seated flush before tightening. Do not over-torque, as this can pinch the Santoprene seal and cause a leak. Lubricate the assembly with food-grade O-ring grease (Petrol-Gel) to ensure a perfect fit and smooth operation of the gun buttons.
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