Most whole-house filters should be changed when performance indicators show decline, not on a fixed date. Actual timing depends on water quality, usage, and your WaterTech model. S.A.M. members get four annual visits for routine checks in Las Vegas and Henderson.
Quick checks:
- Notice lower water pressure.
- Taste or odor returns.
- Filter status light or alert triggers.
Updated: 2025-12-24
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