Description Manuals Videos Articles Popular Accessories Clemco Part #30419 Green color coded washer found on the "differential pressure OUT (+)" connector on the control assembly of the Clemco Pulsar Plus 55-S Item #14 See the bottom of the product manuals for diagrams of additional compatible products. Pulsar Plus III-P and VI-P Operation Manual Pulsar Plus III-S / III-S6 / VI-S Operation Manual