With proper care and maintenance, most Catalina spa components should last approximately: 1. Acrylic shell: 10-15 years 2. Pumps/motors: 5-8 years 3. Plumbing parts: 5-10 years 4. Circuit boards: 4-6 years 5. Filter cartridges: 2 years 6. Cover: 5-8 years 7. Heater element: 5-10 years Catalina quality has declined in recent years, so lifespan may be less compared to older models. Follow preventative maintenance tips to maximize your spa’s longevity.