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The ALL-SOURCE 402996 is a set of four packing washers designed to stop leaks in compression faucets and compression shut-off valves. These washers seat against the valve stem to create a watertight seal, preventing drips at the handle or packing nut. Plumbers and experienced DIYers use them during routine faucet repair when the original washer has worn, deformed, or cracked. Each set contains four washers, providing enough material to service multiple valves in a single service call or repair job.
These compression packing washers are suited for residential plumbing applications where compression-style faucets and valves are installed. Common scenarios include repairing dripping kitchen or bathroom faucets, servicing older compression stop valves under sinks, and restoring watertight function to valves that have developed slow leaks. They are a standard consumable item kept on hand by plumbers for general faucet repair work.
Designed as an OEM-style replacement consumable for compression-style faucets and compression shut-off valves in residential plumbing systems.
A licensed plumber or experienced tradesperson typically installs compression packing washers as part of faucet or valve repair. Before beginning work, shut off the water supply at the nearest isolation valve and relieve line pressure by opening the faucet. Remove the handle and packing nut to access the valve stem before replacing the washer. Work should comply with applicable local plumbing codes and IPC guidelines.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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