- Compatible with 3.8 cm (1 1/2 inch) top and side multiport valves, this replacement pool filter valve is designed to fit your pool or spa system precisely. - Comprehensive replacement kit includes the 271104 adjustment gasket and all necessary components for a successful installation. - Applicable across multiple models: 261177, 261173, 261130, and 261124, providing versatile use across different valve configurations. - Durable construction engineered to withstand the demands of pool and spa environments, delivering reliable performance over time. - Use scenarios: - Replacing a worn or leaking valve seal on an above-ground pool filtration system to restore proper flow and prevent leaks. - Servicing spa filtration setups that utilize 3.8 cm top/side multiport valves to maintain efficient filtration. - Performing seasonal maintenance with a complete valve seal kit to ensure long-term reliability and leak-free operation.