Pentair O-Ring, Front Housing | Challenger High Flow | 355329Z Chlorine Neutralizers Before threading the cap or

Before threading the cap or extension back onto your Rainbow feeder

A damaged grid can cause DE powder to pass back into the pool even after a manifold replacement

SIGHT GLASS GASKET NOT INCLUDED - SOLD SEPARATELY

This product is designed for use in properly balanced pool water

If possible

Pentair O-Ring, Front Housing | Challenger High Flow | 355329Z Chlorine Neutralizers Before threading the cap orThe Pentair Front Housing O Ring (355329Z) is the OEM replacement sealing O ring for the Challenger High Flow pump series, preventing water from bypassing the joint between the front housing and the pump body. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone Lubricant the OEM matched product for Pentair equipment. This O