190030 Drain Plug Cap Assembly with Oring A direct replacement drain cap designed to restore a secure, leak seal on compatible pool and spa filter drain ports. Simple to install and engineered to match the fit and function of the original 190030 part. Key benefits Stops leaks and prevents water loss by restoring a tight seal at the filter drain port. Maintains filter performance by allowing normal filtration pressure when installed. Fast replacement for lost, cracked, or worn drain caps to keep your system operational. Includes a preinstalled Oring to ensure a dependable, watertight fit. Features and important attributes Function: Seals the filter drain port and allows controlled draining when removed. Compatibility: Compatible with Clean and Clear Plus, FNS Plus, and Quad D.E. filter models that use the 190030 drain cap size. Fit: OEMcompatible 190030 size for straightforward replacement and correct alignment with the original drain opening. Seal: Supplied with an Oring to prevent leaks and reduce the risk of crossthreading or poor seating. Performance: Designed to provide reliable sealing under normal pool and spa operating conditions. Practical use scenarios Seasonal winterization: Remove the cap to drain the filter, then reinstall the cap to ensure the system is sealed for storage or cold weather. Routine maintenance: a cracked or worn cap discovered during regular filter cleaning to prevent leaks and maintain proper pressure. Emergency : Quickly a missing or damaged drain cap after accidental loss or breakage to restore safe operation. Installation notes Intended as a directfit replacement for the 190030 drain cap size on the listed filter models. Simple installation; handtighten and check the Oring seating for a snug seal before under pressure. If unsure about fit, compare to the original cap to confirm part size and threads match. What you receive One 190030 drain plug cap assembly with Oring ready for immediate installation. Compatible models Clean and Clear Plus FNS Plus Quad D.E. This drain plug cap assembly provides a practical, reliable solution for maintaining the integrity of your pool or spa filtration system when you need a correctfit replacement for part number 190030.