It depends. With chemistry held in balance, filters cleaned on schedule, and equipment serviced per the manuals, the following are reasonable expectations.
How hard the equipment is run and how many hours a day it cycles can shift those numbers either direction.
Pumps, ten to fifteen years. Filters, fifteen years or more, with internals replaced or rebuilt on occasion. Salt cells, around five years. Gas heaters, fifteen to twenty-five years. Plaster, ten to fifteen years. Pebble surfaces, twenty or more.
Hard water and unbalanced chemistry shorten every one of them. We've seen heaters fail at two years and salt cells at six months, almost always because the water had been running scaling or aggressive for a long time before anyone noticed.
"For a long time before anyone noticed" is the part worth sitting with. Water that's slowly destroying equipment looks exactly like water that isn't. This is the number that tells them apart.
Hiring someone to care for your pool is a personal decision. Look around. Ask questions. When the time feels right, we'd be glad to hear from you.
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