The Hobart 413433-00001 Valve Knob provides convenient manual control for selecting valve settings on compatible commercial foodservice equipment. Measuring 1-1/4 inches in diameter, this knob features OFF, PILOT, and ON positions to support the corresponding operating functions. It mounts to the control shaft with a screw, helping keep the knob securely attached during regular use. B... https://partsfe.ca/413433-00001-vulcan-hart-valve-knob-1-14-d-off-pilot-on