The Coleman-Sanborn 034-0197 is a four-port pressure switch with an integrated unloader, configured for a 100–130 psi operating range. Identified by the part number 034-0197, this Coleman-Sanborn component delivers reliable pressure control with unloading capability for systems requiring multiple connection points. It suits equipment that needs precise on/off pressure switching within the 100–130 psi range and a four-port configuration to accommodate multiple lines.
