The AllPoints Foodservice Parts & Supplies 42-1055 Pressure Regulator is designed for precise steam pressure control. It features a 1-4" NPT connection and operates within a pressure range of 0-15 psi. This regulator is open on rise and utilizes a single pole single throw (SPST) mechanism for reliable performance. Compatible with Penn-Johnson systems, it serves as a direct replacement for Vulcan Hart models 33488, 80709, and 833488. Ideal for maintaining optimal steam pressure in foodservice applications, this regulator ensures efficient operation and consistent results.