The 6003-3VK is a intermittent pilot ignition gas control that operates on either 3 VAC or 3VDC, with manually controlled variable Hi to Lo, top pressure taps for checking inlet and outlet pressures, multi-position mounting angles 0° to 90° from upright position, outlet positions and sizes can be straight out or at 90° angles and sizes can be 3/8” or ½”NPT or a combination of both, ambient operating temperature ratings are -40°F to 175°F.