This Kit is a Set of (2) NON-Standard 2" Heater or Pump Union O-Ring that measures 2 5/8" Center to Center. The O-Ring is 2 5/8" center to center and fits some unions but most unions are 2 1/2" center to center... Do not buy this O-Ring until you verify that you have a 2 5/8" Center to center groove in your union for this O-Ring to fit into..
For the other 2" which is 2 1/2" Center to Center standard O-Ring click here:
If your pump is an LX Brand WUA Type most likely you have the 2 5/8" Center Thick Verison Click here for that verison.. The union this o-ring fits will have 'World's Finest" On it:
SP RMG-02-652G
