Description
IMPORTANT: This is a NON-STANDARD 2 5/8" Center to Center replacement o-ring for 2" pump or heater unions.
This seal measures 2 5/8" from center to center. Please note that standard unions typically use 2 1/2" center to center o-rings. You must confirm your union has a 2 5/8" center to center groove before purchasing this component.
Compatibility: Designed for select Jacuzzi Premium and Sundance spa models with non-standard union configurations.
Part Reference: SP RMG-02-652G
Measurement Verification Required: Before ordering, physically measure the groove spacing in your existing union to ensure this 2 5/8" center to center o-ring is the correct size for your application.