Description
IMPORTANT: This is a NON-STANDARD 2" Union O-Ring
This replacement O-Ring measures 2 5/8" center to center and is designed specifically for select pump and heater unions on Watkins, HotSpring, Caldera, Tiger River, and Hot Spot spa models.
Critical Sizing Information: This O-Ring features a 2 5/8" center to center measurement, which differs from the standard 2 1/2" center to center dimension found on most 2" unions. Please measure your union groove carefully before ordering to ensure proper fitment.
⚠️ Verify your union has a 2 5/8" center to center groove before purchasing this O-Ring to guarantee a proper seal.
SP RMG-02-652G