The Watts Regulator 20-9696-21.5FP is engineered for optimal pressure regulation in fluid systems. This model features a durable construction with high-quality materials, ensuring longevity and reliability. It operates effectively within a specified pressure range, making it ideal for various applications, including HVAC and water supply systems. The 20-9696-21.5FP meets ANSI standards, ensuring compliance and safety. Its compact design allows for easy installation, while the efficient operation provides consistent pressure control. This regulator is an excellent choice for both residential and commercial applications.