AL601 UNLOADER, RED SPRING, W/O KNOB AR NO AMERICA 5-9

AL601 UNLOADER, RED SPRING, W/O KNOB AR NO AMERICA

NO LONGER AVAILABLE WHEN GONE

Spring Color Significance: Different colors correspond to maximum PSI ceilings (e.g., yellow springs for lower PSI, black or purple springs for mid-to-high ranges). A red spring typically indicates a specific maximum pressure limit configured for high-performance pumps.