Pentair Lid | SuperFlo & SuperMax Pumps | 350091Z Safety Signage Tests for: Total Hardness

Tests for: Total Hardness

a properly seating float valve is the first line of defence against pump cavitation when water levels drop

The equalizer valve assembly maintains balanced water flow into the skimmer when the pool water level drops near the skimmer opening

and quietly

Pentair Lid | SuperFlo & SuperMax Pumps | 350091Z Safety Signage Tests for: Total HardnessThe 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