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The PASCO S336 is a chrome-plated shower cut-off valve designed to isolate water flow in shower supply lines. This fitting allows a plumber to shut off water to a shower fixture without interrupting service to the rest of the system. The chrome-plated finish provides corrosion resistance suited to wet environments. At 0.1 pounds, the S336 is a compact, lightweight component appropriate for residential shower rough-in and repair applications.
The S336 is used in residential plumbing systems where a dedicated shut-off point is needed at or near the shower supply. It is typically installed during new construction rough-in or as a repair replacement when an existing cut-off valve fails or is absent. Licensed plumbers and experienced plumbing contractors are the primary installers of this type of fitting.
Designed as an OEM-style replacement or new-installation cut-off fitting for residential shower supply line applications.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC guidelines. Shut off the main water supply and relieve line pressure before removing or installing any cut-off valve. Inspect supply lines and connections for wear or damage during service. Do not over-tighten threaded fittings, as this can damage sealing surfaces.
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