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The VALUE COLLECTION KP77918 is a pack of 10 pressure sealing washers designed to create a reliable, leak-resistant seal in pressurized fluid and gas connections. These washers are used in plumbing, HVAC, and mechanical assemblies where a positive seal is required at threaded or bolted joints. Each washer is compact, with a profile suited for tight-clearance fittings. Installers working on water supply lines, refrigerant piping, or compressed-air systems reach for pressure sealing washers to prevent weeping connections and maintain system integrity over time.
Pressure sealing washers are commonly used in residential and light commercial applications across plumbing, HVAC, and general mechanical service work. They are appropriate wherever a threaded fitting, bolt flange, or union joint must hold pressure without relying solely on thread engagement. Service technicians and plumbers typically keep an assortment on hand for repairs, replacements, and new installations involving pressurized lines.
Designed as a general-purpose pressure sealing washer suitable for standard threaded and bolted connections in pressurized plumbing, HVAC, and mechanical assemblies.
Pressure sealing washers are typically installed by licensed plumbers or HVAC technicians as part of fitting assemblies on pressurized systems. Always depressurize and shut off fluid or gas supply before disassembling any joint. Inspect the mating surfaces for damage or corrosion before seating the washer. Follow applicable codes such as IPC or IFGC for pressurized piping work.
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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