Water Softener Loop Not Installed: Can I Add Later?

https://keeganacsg357.raidersfanteamshop.com/tankless-water-heater-not-working-right-in-new-house-inconsistent-temperature-problems-and-installation-mistakes

Pre-Plumbing for Softener: Why It Matters in New Construction Understanding Pre-Plumbing for Softener Loops in St. George Homes As of March 2024, about 65% of new homes in St