The FAAC 4180415 Bypass Cap with Spring & Seat is a precision hydraulic component designed for FAAC 400 and 422 gate operators. This assembly ensures proper pressure regulation and controlled bypass within the hydraulic circuit, contributing to smooth and reliable gate operation. Featuring an integrated spring and seat mechanism, it provides accurate sealing and consistent performance under varying pressure conditions. Manufactured with high-quality materials, it offers durability, wear resistance, and long service life. As a genuine FAAC part, it guarantees full compatibility and optimal performance in residential, commercial, and light industrial applications.