Pentair Sta-Rite Biguanide Resistant Trap Lid (C3-185P3)

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Replace a worn pump trap lid with this biguanide-resistant version for compatible Sta-Rite systems. The lid helps seal the strainer pot, maintain pump prime, and allow visual inspe ction of basket condition while standing up to pools using biguanide sanitizing systems.This part is a strong choice when the original lid is cracked, cloudy, warped, or no longer sealing properly. Pairing the lid with the correct O-ring and a clean sealing surface helps prevent air leaks that can reduce pump performance. Biguanide-resistant trap lid for compatible pumps Helps maintain prime and strainer-pot seal Useful for cracked or cloudy lid replacement Supports pool systems using biguanide chemistry Inspect O-ring before reinstalling Show more