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The VALUE COLLECTION ZBD9500-218 is a Dash 218 Viton O-ring with a round cross section, designed for static and dynamic sealing applications across plumbing, HVAC, hydraulic, and industrial fluid systems. The inside diameter measures 1.25 inches, the outside diameter measures 1.5 inches, and the cross-section thickness is 0.125 inches. Viton (fluoroelastomer) construction provides strong resistance to fuels, oils, solvents, and high-temperature environments. With a hardness rating of 75 Shore A, this O-ring maintains a reliable seal under pressure. Licensed trades and maintenance technicians use this size in a wide range of fluid handling and mechanical assemblies.
The ZBD9500-218 Dash 218 O-ring is suited for residential and commercial applications where elevated temperature resistance is required. The Viton compound handles continuous service from -15 degrees F to 400 degrees F, making it appropriate for hot-water systems, fuel lines, refrigerant circuits, and chemical-handling equipment. It installs as a replacement or service seal wherever a Dash 218 standard dimension O-ring is specified. This SKU is sold individually with a minimum order quantity of 25 units.
Designed as a standard Dash 218 replacement O-ring for any application calling for a 1.25 inches ID by 1.5 inches OD by 0.125 inches cross-section Viton seal.
Installation should be performed by a qualified technician familiar with the system being serviced. Depressurize and drain the system before removing the existing O-ring to prevent injury or fluid release. Inspect the groove for nicks, burrs, or corrosion before seating the new O-ring, and apply a compatible lubricant to ease installation and reduce the risk of twisting or rolling. Do not use petroleum-based lubricants with Viton O-rings in oxygen or oxidizer service.
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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