Repair or replacement of commercial shower components, rather than replacement of the entire unit, saves money and resources. Used to regulate water temperature, Zurn’s metal adjustment screw (Part no. RK7000-110) is made for Temp-Gard® I shower valves. Temp-Gard® pressure-balancing valves maintain a consistent water temperature. Zurn replacement parts are manufactured to provide long-term durability for commercial showering applications. When you need a replacement part for repair or maintenance of a tub or shower valve, trust Zurn for genuine, reliable parts.