Pentair O-Ring for Container Lid | IntelliChem / IntellipH | 521507 Lighting System The kit includes multiple components

The kit includes multiple components (see Specifications)

Do not attempt to service high-voltage components without proper certification

Ready to use alone

The impeller is the rotating component that moves water through the pump by converting motor shaft energy into flow

OEM Brand Product Name Part Number Notes Advanced Spa Design - - - Blue Ridge Spas - - - CTA Spas - - - Dream Maker Spas - - Remove "pad adaptor" (if present) from skimmer before threading MPT directly into suction fitting

Pentair O-Ring for Container Lid | IntelliChem / IntellipH | 521507 Lighting System The kit includes multiple componentsThe Pentair 521507 O Ring for Container Lid is the OEM replacement seal for Pentair IntelliChem and IntellipH chemical dosing equipment, sold as a pack of five O rings. 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 ring seats at the interface between the