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The ZAC Tool 07-OR407 is a 407-piece SAE O-ring assortment kit designed for plumbers, HVAC technicians, refrigeration mechanics, and general maintenance professionals who need a reliable range of O-rings on hand at all times. O-rings are one of the most commonly replaced sealing components in HVAC systems, plumbing assemblies, refrigeration equipment, and hydraulic connections. Having a comprehensive assortment kit means fewer service interruptions and faster repairs on the job. The ZAC Tool 07-OR407 delivers exactly that with 407 individual O-rings spanning a wide range of SAE standard sizes. SAE O-rings are sized according to Society of Automotive Engineers standards, making them compatible with a broad selection of fittings, valves, connectors, and couplings found in residential, commercial, and light industrial applications. These rings create tight, leak-free seals when compressed between two mating surfaces, preventing fluid and gas from escaping at joints and connections. The kit is ideal for service vans, shop inventory, and field repair kits. Trade professionals who work with refrigerant lines, air conditioning systems, heat pumps, water supply lines, and pneumatic equipment will find frequent use for multiple sizes in this collection. Keeping a full assortment on hand eliminates the need to make emergency supply runs during a service call. The variety of sizes included in the 07-OR407 makes it a practical investment for any professional who works with mechanical systems that rely on threaded or flanged connections. This is a workday staple for any serious trade professional.
The ZAC Tool 07-OR407 provides a comprehensive 407-piece SAE O-ring assortment that keeps HVAC techs, plumbers, and maintenance professionals equipped for fast, reliable sealing repairs across a wide range of applications.
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