Hayward Diffuser Gasket for Super Pump and Super Pump XE Pumps | SPX1600R PSTC12 Never use petroleum-based lubricants —

Never use petroleum-based lubricants — they will degrade rubber O-rings and shorten service life significantly

If replacing a beaded liner

This O-ring kit restores the sealing integrity of your Pentair booster pump

Can be used with all filter medias and pool surfaces

for use after the system's antenna change date

Hayward Diffuser Gasket for Super Pump and Super Pump XE Pumps | SPX1600R PSTC12 Never use petroleum-based lubricants —The Hayward Diffuser Gasket (SPX1600R) is the OEM replacement gasket for the Super Pump and Super Pump XE pump families, providing a precision seal between the diffuser and pump body to maintain hydraulic efficiency. This gasket seats at the diffuser interface inside the pump wet end, creating the seal that keeps water flowing through the impeller assembly at rated efficiency. A worn or compressed gasket allows bypass flow that reduces pump output