What are the recommended spare parts for my SPR-2000 system?

• Main circuit board – P/N: 4500-01, or for JR systems P/N: 4500-02, or for TSL systems P/N: 4500-01-TSL
• Expansion board (if applicable) – P/N: 4510-01L (lower) and/or P/N: 4510-01U (upper)
• Membrane switch – P/N: 4001
• DIN connector cables – P/N: 550280024 (2-meter cable) or P/N: 302431 (5-meter cable)
• Filters – P/N: 4163-25 (can filter), P/N: 14655-BOWL (strainer bowl), and P/N: 10496 (strainer screen)

• Valves – part number varies by system