Replacing a Kohler faucet hose involves turning off the water supply, draining residual water, disconnecting the old hose, and securing a new one. Begin by shutting off the main water valve or individual valves beneath the sink. Open a faucet to drain remaining water. Use an adjustable wrench to loosen the hose connections at the water supply lines and the faucet base. Remove the old hose, ensuring no debris remains in the pipes. Attach the new hose by hand-tightening the connections, then use the wrench to tighten them further. Reconnect the water supply, turn it on, and test for leaks by observing the faucet and under the sink.

Hose replacement is critical due to the average lifespan of faucet hoses, which is 5–7 years, as noted by the International Association of Plumbing and Mechanical Inspectors (IAPMO). Over time, hoses degrade from mineral buildup, corrosion, or UV exposure, increasing the risk of leaks, water damage, and mold growth. A 2021 study by the Environmental Protection Agency (EPA) found that household leaks can waste 10,000 gallons of water annually, highlighting the economic and environmental impact of neglected maintenance. Additionally, a loose or damaged hose may strain the faucet’s components, leading to premature failure. Industry data from Kohler suggests that 30% of faucet complaints stem from water-related issues, many preventable through timely hose replacement. Proper installation ensures optimal water flow, preserves faucet integrity, and aligns with plumbing codes, reducing the likelihood of insurance claims or safety hazards.