When sourcing Nordson-compatible parts, such as nozzles, modules, or hoses, you must prioritize dimensional precision and material compatibility. Ensure that nozzles are made from high-grade stainless steel or brass to resist wear and corrosion. For heated hoses, verify the wattage and voltage compatibility (typically 120V or 240V) and ensure they feature high-density insulation to maintain temperature stability. Always check that the thread sizes (e.g., 9/16-18 or 1/2-20) match your existing Nordson melter units to prevent leaks or pressure drops.