Pentair Diffuser | SuperFlo VS / VST & SuperMax VS Variable Speed Pumps | 355949Z Diverter Valves

Pentair Diffuser | SuperFlo VS / VST & SuperMax VS Variable Speed Pumps | 355949Z Diverter ValvesThe Pentair Diffuser (355949Z) is the OEM replacement diffuser for the SuperFlo VS, SuperFlo VST, and SuperMax VS variable speed pump families. What It Does The diffuser sits directly behind the impeller inside the pump wet end, converting the high velocity water leaving the impeller into pressure. A cracked, worn, or missing diffuser reduces hydraulic efficiency and can cause the pump to lose prime or deliver insufficient flow replacing it with the

and T-seal needed to restore a proper seal at the pump's strainer housing

This model is a 2-pack in Black color (pictured in white

confirm your filter model on the label before selecting your replacement to ensure you're ordering the correct OEM part number

the IntelliCenter system gains full network access for remote monitoring and control

9" Slide Flange is made from Cycolac Plastic

it is resistant to corrosion — but scale buildup or grit on the seating surface can prevent a flush fit and cause leaks after reassembly

For Jetted Tubs:

💧 Oil-Free & Water-Soluble – No greasy residue or water imbalance

The Sta-Rite System 3 S8D110 uses a 10-grid inner DE element assembly requiring four different grid sizes

When replacing this gasket set

The motor fan draws cooling air across the pump's drive electronics and motor during operation

The Model AF includes a full gate system to meet or exceed all code requirements for enclosures