Description
This replacement seal is a Standard 2 1/2" Pump Union O-Ring designed for spa plumbing connections. Measuring 2 1/2" Center to Center in diameter, this o-ring provides a watertight seal for most pump unions, though compatibility varies by model—please verify using the product images before ordering. This essential component creates a secure seal between the pump union and heater or pump assembly in your hot tub system.90-423-5224,14-110-2000 , 191474 , 224 , 224-7470-10 , 31240 , 47-314-1077 ,