Pentair Sta-Rite System 2 Flapper Valve (27001-0011Z) drains or no longer performs as

or no longer performs as intended

3-1/2 inch face diameter

and PMA10-M compatibility give this part practical value because cartridge filters work best when the replacement matches the intended housing and service application closely

Improves stability and repair accuracy

or compressed

Pentair Sta-Rite System 2 Flapper Valve (27001-0011Z) drains or no longer performs asThis flapper valve helps control internal water movement in compatible Sta Rite System 2 filter assemblies. When the flapper no longer seals or moves properly, filtration performance can become inconsistent and service issues may appear as pressure changes or inefficient flow. Installing the correct replacement helps restore the designed internal function of the filter. Supports proper flow control inside the filter system Compatible with select Sta