The STEM ASSEMBLYTHROTTLING from Watts Regulator Company is a precision-engineered component designed for effective flow regulation. This assembly is crucial for maintaining consistent pressure levels in various systems. Made from high-quality materials, it ensures durability and reliability under varying operational conditions. The design allows for easy installation and adjustment, making it ideal for HVAC and plumbing applications. This throttling stem assembly is compatible with a range of Watts regulators, enhancing system performance and efficiency.