O-Ring Kit for PondMax PF750 Pressure Filter The PondMax O-Ring Kit for the PF750 Pressure Filter includes the full set of O-ring seals needed to reseal the PF750 filter body after cleaning, UV lamp replacement, or quartz sleeve servicing. Replacing worn O-rings prevents water leaks and air ingress that reduce filter performance. Essential Service Kit for PF750 Maintenance The PF750 pressure filter uses O-ring seals at the lid, UV chamber, and bulkhead connections. These seals compress and deform over multiple open-and-close service cycles, eventually allowing water to bypass the seal. The kit provides all necessary replacement O-rings for a full filter reseal, ensuring leak-free operation after annual maintenance or mid-season servicing. Compatible with the PondMax PF1000 Euro Series Pressure Filter. Compatible With PondMax PF750 / PF1000 Pressure Filter Contents Full O-ring set for filter body reseal Material EPDM rubber; UV and chemical resistant Service Interval Replace O-rings annually or whenever the filter lid is opened How to Use Before replacing O-rings, clean the O-ring groove and seating surface of any debris or mineral deposits. Apply a thin coat of silicone grease (not petroleum jelly) to each new O-ring before installation. Seat each O-ring fully in its groove without twisting. Reassemble and check for leaks at each connection point after restarting the pump. Replace O-rings any time the filter is disassembled for UV lamp or quartz sleeve service. Ideal for PF750 and PF1000 filter owners performing annual maintenance who want to ensure leak-free reassembly after servicing the UV chamber and filter body.
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