Pentair 20.5" Brass Vertical Tie Rod | Sta-Rite System: 3 SD Series D.E. Filter | 23900-0039Z Check Valves Pentair Max-E-ProXF VS 023035 XF

Pentair Max-E-ProXF VS 023035 XF riser base for XF-series pump installation where Challenger pumps are being replaced

soak the filter overnight

and EQWK300 models as well as 50 Hz variants

inspect the lid O-ring and body O-rings at the same time — a distorted or hardened O-ring is a common cause of strainer housing leaks and is inexpensive to replace while the wet end is already open

Taylor Free Chlorine tests provide precise measurements to ensure adequate levels for effective sanitization

Pentair 20.5" Brass Vertical Tie Rod | Sta-Rite System: 3 SD Series D.E. Filter | 23900-0039Z Check Valves Pentair Max-E-ProXF VS 023035 XFThe Pentair 23900 0039Z is the OEM replacement 20. 5" brass vertical tie rod for the Sta Rite System: 3 SD Series D. E. Filter a Pentair legacy product line. What It Does The vertical tie rod runs through the filter tank assembly, securing the internal filter grid stack under operating pressure. A damaged or corroded tie rod can compromise filter grid alignment and tank integrity. Replacing it with the correct OEM brass rod restores proper clamping