SP1022C 1.5inch Pool Filter Drain Plug with ORing, White, Model APC1022c Key benefits Secure seal for the filter drain or port: 1.5inch threaded plug plus included Oring helps prevent leaks and seepage during normal use or seasonal shutdown. Simple replacement for maintenance and winterizing: installs quickly into standard 1.5inch threaded ports to restore function after loss or damage of an original plug. Clear fit and form: white finish and replacement specification match original equipment dimensions for straightforward compatibility. Saves time on service: a single part that handles both drain plug and winterizing needs so you can complete seasonal tasks without searching for multiple items. What it does Acts as a threaded plug for 1.5inch pool filter drain and openings. Includes an Oring to create a reliable seal between the plug and the housing. Intended as a replacement part for systems requiring model SP1022C or APC1022c style plugs. Important attributes Size: 1.5inch threaded connection. Function: drain plug and winterizing . Color: white. Models: SP1022C, APC1022c compatibility. Practical use scenarios Winterizing a pool filter: Use this plug to seal the filter or drain port before draining and storing equipment for the offseason. Replacing a lost or damaged plug: Fast replacement when the original plug is cracked, stripped, or missing to stop leaks and restore normal operation. Routine maintenance and cleaning: Remove and reinstall the plug during filter cleanouts to control water release and maintain a secure seal. Installation and fit Threaded design allows direct installation into 1.5inch female threads. The included Oring seats against the housing to reduce the risk of leaks. Check thread condition and Oring placement before tightening. Compatibility note Intended for systems that require a 1.5inch threaded drain or plug and that list SP1022C or APC1022c style parts for replacement. Verify thread size and style before .