The Southbend PP-636 Flow Regulator is a water flow control component used in compatible commercial steamers and combination cooking equipment. It regulates water delivery to help maintain a controlled flow during equipment operation. The unit is rated for a flow rate of 0.13 GPM, with a maximum temperature of 180°F and maximum pressure of 125 PSI. It features a 3/8-inch female pipe thread connection and measures approximately 1-3/4 inches in overall length. This component is identified as a flow regulator in water inlet and cavity fill assemblies. It is suitable for maintenance or replacement applications where accurate water flow control is required. Verify equipment model and existing specifications before ordering to ensure proper compatibility and installation.