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

Tests for: Total Hardness

As the seal wears

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

restoring full heater control and automation connectivity

(2) Plastic Recessed Mounting Washers with Caps

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