To fix a leaking water supply device, first shut off the water supply to the system or specific device. Inspect the device for visible damage, such as cracked pipes, loose connections, or worn seals. Tighten all screws and bolts, replacing damaged O-rings, gaskets, or washers. If the leak originates from a valve or faucet, clean and reapply lubricant to moving parts. Test the device by slowly restoring water flow and monitoring for leaks. If the issue persists, consult a professional to address internal components like springs or diaphragms.

Leakage in water supply devices often stems from wear and tear, corrosion, or improper installation. According to the Environmental Protection Agency (EPA), household leaks can waste up to 10,000 gallons of water annually, equivalent to the annual water use of a typical family of four. Over 30% of leaks in older homes are caused by corroded pipes, which professionals can identify and replace using methods like video inspection. The American Water Works Association (AWWA) reports that 40% of water leaks go undetected for months, leading to average annual water waste of $200 per household. DIY repairs can save costs, but 60% of unaddressed leaks escalate into major pipe failures, costing $4,000–$7,000 in repairs. Replacing faulty devices promptly prevents mold growth, water damage, and higher utility bills. Data from the International Association of Plumbing and Mechanical Engineers (IAPMO) shows that proper maintenance reduces leakage rates by 70%, emphasizing the importance of regular inspections and part replacements.