Pentair Purex SM/SMBW 200 Backwash Valve Compression Ring (070731Z) impellers or no longer presenting the

or no longer presenting the heater properly

It helps organize water flow around the impeller and into the volute

That broader feature continuity often improves both comfort and satisfaction after repair

An O-ring helps create a dependable seal between compatible UV-system components

and enclosure protection before installation

Pentair Purex SM/SMBW 200 Backwash Valve Compression Ring (070731Z) impellers or no longer presenting thePentair Purex SM SMBW 200 Backwash Valve Compression Ring (070731Z) is a replacement valve component for compatible Pentair Purex pool and spa plumbing or filtration systems. This part is used to restore water routing, valve control, or service access when the original valve, cover, body, handle, diverter, or related component is worn, leaking, cracked, or no longer operating smoothly. Valve parts are highly size and model specific, so this item