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Meet the Aqua Flo Union 1.5" O-Ring, part number 92200140 (commonly referenced as #226). This replacement seal is crafted for TMCP, FMHP, and FMCP pump union assemblies, delivering a precise fit and dependable, leak-resistant performance when you service or refresh your Aqua Flo system.
Designed specifically for 1.5-inch pump unions, this O-Ring ensures the groove seats perfectly across TMCP, FMHP, and FMCP configurations. The result is a secure, consistent seal that minimizes leaks and reduces downtime during routine maintenance or after system upgrades.
Perfect for residential pool pumps, spa equipment, and irrigation systems that rely on Aqua Flo unions. When you’re servicing aging equipment or performing regular maintenance, this 1.5" O-Ring provides a targeted, cost-effective sealing solution without replacing whole assemblies.
With proper handling and installation, the 92200140 O-Ring delivers lasting sealing performance across varied water conditions and system cycles, helping maintain efficient pump operation and preventing unwelcome leaks in your Aqua Flo setup.


