6 Plumbing Maintenance Checks Routine maintenance can save homeowners thousands in potential repairs, especially when it comes to plumbing. There are several steps homeowners can take to check for red flags in their plumbing systems, says Patricia Bonacorda of Spartan Plumbing. She recommends these conducting these six maintenance checks at least once a year. Lint Trap It may seem unrelated to the plumbing system, but lint buildup can block the drain of your washing machine i