Guides ยท Plumbing and water
What your main water shutoff valve needs and how often.
Confirm it still turns, before you need it in an emergency. A typical schedule is once a year.
Generic schedules start from the calendar. Yours should start from your house. Keeping House takes the year each system went in and works out what's due and when, sends the reminders, and keeps the history a buyer or insurer will ask for.
Intervals and lifespans are typical figures for U.S. homes, in line with commonly cited industry ranges; costs are rough installed prices in 2026 dollars. Your manufacturer's manual and local conditions come first.