Salt-based water softeners protect pipes, appliances, and fixtures by removing the minerals that make water “hard.” Soft water is gentler on skin, hair, and laundry too.
The salt in the brine tank needs to be replenished regularly. Check it at least once a month. The resins can last for a decade.
Consult your manual for the maintenance schedule, salt, and cleaning products that work best for your unit.
This appliance is actually part of your plumbing system. You might rely on your plumber, not your HVAC pro, for annual service and troubleshooting.