Pentair Lid | SuperFlo & SuperMax Pumps | 350091Z Safety Signage Stainfree is ideal for treating

Stainfree is ideal for treating staining on all pool surfaces and is compatible with all sanitizing systems

restoring full heater control and automation connectivity

debris is captured at the skimmer before reaching the pump — eliminating the need to stop and restart the pump during vacuuming

As the seal wears

Pentair Lid | SuperFlo & SuperMax Pumps | 350091Z Safety Signage Stainfree is ideal for treatingThe Pentair Lid (350091Z) is the OEM replacement lid for the SuperFlo and SuperMax pump families, including single speed and variable speed models. The strainer cover seals the pump's strainer basket housing, maintaining the pressurized wet end necessary for proper water circulation. A cracked, warped, or missing lid will cause the pump to lose prime and draw air into the system. Replacing a damaged lid with the correct OEM part restores a proper seal