Drain Valve Internal Seat 1/4in NPT – 1/4 Turn, Low Pressure up to 30 PSI – Replaces 177.4040 – Compatible with OEM 103385, 10719, 12110

This internal seat drain valve is designed for low-pressure drain applications, featuring a 1/4 in NPT connection and a simple 1/4-turn manual operation. Rated for a maximum operating pressure of 30 PSI, it provides controlled draining and reliable sealing for air and fluid systems. Engineered as a direct replacement for part number 177.4040, it installs easily and delivers dependable performance. Compatible with OEM 103385, 10719, and 12110.