6020018 / 350099 O-Rings for Pentair 350157/351157 Superflo, SuperMax Union Fitting (3 Pack)

• Replacement Part Number: 6020018 / 350099 / No 2-226 O-Rings (3 Pack). Commonly referred to as: No 2-226 O-ring adapter replacement. 
•  The 6020018 o-ring measures approximately 1.95" inside diameter (slightly under 2”) x 2.26” Outside Diameter (slightly over 2-1/4”) x 0.14" thickness (slightly over 1/8").
• The Replacement Pentair 6020018 o-ring fits 350157 and 351157 Superflo Union Fitting (1-1/2" Internal x 2" External Slip) found on Pentair SuperFlo and SuperMax pool and spa inground heat pumps.
• Includes 3 replacement o-rings (also called seals or gaskets) to repair your leaking fittings and have spares on hand.
• Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!

Will this o-ring fit your pool union fittings?

Please confirm that you are looking for o-ring part number 6020018 (or 350099 / No. 2-226) before ordering.

These o-rings are compatible with the 350157 union fittings in Pentair SuperFlo pumps and 351157 union fittings in Pentair SuperMax pumps. They are not designed for other unions/fittings.

We make dozens of o-rings for pool pumps, filters, and fittings, many of which are very similar in size to this o-ring. The best way to confirm if this is the correct o-ring for your system is to check your system’s owner’s manual or parts diagram (the one that came with your system or online searching by the model number). Also, you can check your owner's manual or parts diagram to confirm your union fittings are part numbers 350157 or 351157 (or Union Adapter 350093), which use these o-rings.

Confirming that you need the 6020018 o-ring before ordering will prevent the delay in your repair resulted from ordering the wrong o-ring size/part number. If you’re unsure, feel free to contact Captain O-Ring LLC and we’ll be happy to help confirm if this is the correct o-ring size for your system to get you the correct o-ring on the first try.