The Hobart 413157-00001 Valve Knob provides convenient manual control for adjusting valve settings on compatible commercial foodservice equipment. Measuring 2-1/8 inches in diameter, this replacement knob attaches to the corresponding valve stem, allowing the operator to turn the control and adjust the connected valve as required. Depending on the equipment application, this adjustmen... https://partsfe.ca/413157-00001-vulcan-hart-valve-knob-2-18-d