Tankless Descaling Kit: lifespan, maintenance and replacement

Typical lifespan: 8–12 years (pump lifespan) (about 10 years).

Maintenance schedule

• Descale tankless water heater using kit — Annually
• Replace pump impeller if worn — Every 3–5 years
• Replace descaling solution — Each use

Signs it needs replacing

• Pump won't circulate solution
• Hoses cracked or leaking
• Pump motor burned out

Tips

Use food-grade white vinegar as a safe, effective descaling solution.