WhisperFlo Pump Union - 2 Inch MNPT x 2 Inch FNPT - PVC YGroup_smooth-ceramic-depth-markers This o-ring is identical to:

This o-ring is identical to: O-41

The Signet 2537 Flow Sensor is an enhancement on what is already an industry standard

The 10 Foot Fibre-Dive diving board in marine blue with white anti-slip treads has a fiberglass reinforced core and is perfect for residential pools with light to moderate use

This item is designed to fit Raypak pool heater models such as the 183

WhisperFlo Pump Union - 2 Inch MNPT x 2 Inch FNPT - PVC YGroup_smooth-ceramic-depth-markers This o-ring is identical to:This is a Pentair Pump Union with 2 inch male NPT and 2 inch female NPT. It is designed to fit specific Pentair pumps and two are required. This union fits: IntelliFlo VSF, WhisperFlo VS+SVRS, Challenger, and IntelliPro VS+SVRS.