Step 1: Turn off the water supply by closing the shut-off valves beneath the laundry cabinet or the main water source. If shut-off valves are absent, shut off the main water supply. Step 2: Drain water from the faucet using a bucket or container. Step 3: Remove the faucet handle by unscrewing it or loosening a slip nut. Step 4: Extract the cartridge or stem using a wrench or by lifting it out. Step 5: Inspect the cartridge, O-rings, seat washer, and springs for wear or damage. Replace any damaged components. Step 6: Reassemble the faucet in reverse order, ensuring all parts are securely tightened. Step 7: Turn the water supply back on and test for leaks. If the drip persists, repeat the process or consult a professional.

The step-by-step approach addresses the most common causes of dripping faucets in laundry cabinets, such as worn-out cartridges, loose connections, or damaged washers. According to the Environmental Protection Agency (EPA), a dripping faucet can waste over 10,000 gallons of water annually, equivalent to the yearly water use of a typical household for 90 days. A 2021 study by the American Water Works Association found that 90% of faucet leaks stem from faulty cartridges or O-rings, which are easily replaceable. The average cost to repair a dripping faucet is $50, while ignoring the issue can lead to $300+ in water bills annually. Additionally, the U.S. Department of Energy estimates that fixing leaks saves homeowners 10% on water bills. Proactive maintenance not only prevents water waste but also extends faucet lifespan, reducing the need for frequent replacements. Data from confirms that 75% of homeowners avoid professional repairs by addressing minor leaks themselves, highlighting the effectiveness of do-it-yourself solutions when guided by clear instructions.