Super-Pro | O-83-9 | 2" Union Bulkhead O-Ring
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This 2" union and bulkhead O-ring is designed to create a watertight seal in a wide range of compatible pool and spa equipment connections. It is commonly used in union, bulkhead, diffuser, filter, and valve applications where a reliable sealing surface is required.
The O-83-9 is a versatile aftermarket replacement with applications across equipment from Hayward, Pentair/PacFab, Sta-Rite, Jandy, and other manufacturers.
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Key Features
• 2" union/bulkhead O-ring
• Helps create a watertight equipment seal
• Used in select union, bulkhead, diffuser, and filter applications
• Aftermarket replacement component
• Fits multiple pool equipment manufacturers
• Cross-references several common OEM O-ring numbers
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Product Overview
The Union Bulkhead O-Ring provides the sealing surface between mating components in compatible pool and spa equipment. Replacing a flattened, cracked, stretched, or deteriorated O-ring helps restore a proper seal and reduce leakage during system operation.
The O-83-9 has numerous verified cross-references, including Hayward SPX4000Z1, PacFab/Pentair 274494, Sta-Rite U9-156, U9-185, and U9-374, and Advance OV-11-332. Because this O-ring is used across many different assemblies, the existing equipment model or OEM part number should be verified before ordering.