The 201L-404CC is a 4-inch liquid-filled gauge designed for accurate pressure measurement from 30" HG to 30 PSI. This gauge features a 1/4 NPT bottom connection, ensuring compatibility with various systems. The liquid fill dampens vibrations, providing stable readings in dynamic environments. Constructed with robust materials, it meets industry standards for durability and reliability. Ideal for use in HVAC systems, industrial applications, and process control, this gauge is essential for monitoring pressure and ensuring system safety.