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The LARSEN SUPPLY CO., INC. 2604636 is a screwdriver stop urinal repair kit designed for use with Sloan 3/4 inch urinal flush valves. This kit provides the replacement components needed to restore proper shutoff and flow control function at the stop valve, which regulates water supply to the flush valve body. It is an OEM-referenced replacement corresponding to Sloan reference 3308856. Licensed plumbers and commercial facilities maintenance technicians install this kit as part of routine flush valve service on urinal systems.
This repair kit is intended for commercial restroom applications where Sloan 3/4 inch screwdriver stop flush valves are installed. Screwdriver stops are common in institutional and commercial settings where tamper-resistant shutoff is required without a standard handle. The kit is sold in a carded format and is packaged in quantities of 6 units per package, making it practical for stocking in plumbing supply inventory or for multi-fixture service calls.
Designed as an OEM-referenced replacement for Sloan 3/4 inch screwdriver stop urinal flush valves, corresponding to Sloan OEM reference 3308856.
Installation is performed by a licensed plumber. Shut off the water supply to the flush valve before beginning any repair work. Use an appropriate screwdriver to remove and reinstall the screwdriver stop assembly. Follow all applicable IPC and local plumbing code requirements when servicing commercial flush valve systems.
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