π§ Waterway Plastics 715-9890 3/4 inch PlugWaterway Plastics 715-9890 is a 3/4 inch plug used for pool and spa plumbing applications where a secure, threaded closure is needed. This replacement plug is commonly used to seal fittings during service, winterizing, leak testing, or maintenance on compatible Waterway equipment and other systems that accept a 3/4 inch plug.β Key Features: Designed for 3/4 inch threaded plumbing applications Helps seal openings during equipment service and system maintenance Useful for winterizing and pressure testing Durable replacement part for pool and spa plumbing setups π Part Number: 715-9890π Compatibility and Use: For pool and spa systems that require a 3/4 inch plug Use as a replacement plug where the original part number matches 715-9890 Always verify thread size and fit before installation π Installation Tip: Inspect threads and sealing surfaces before installing Hand tighten only unless equipment instructions specify otherwise Follow the manufacturer guidance for your specific pump, filter, heater, or plumbing assembly Whether you are replacing a worn plug or preparing your system for service, this Waterway 3/4 inch plug is a simple and reliable solution for pool and spa maintenance. π§