A high-quality kitchen faucet equipped with a side sprayer or pull-down wand typically lasts between 10 to 15 years of normal daily use. While the main solid brass faucet body can last for decades, flexible sprayer hoses, spray wand triggers, and internal O-rings experience much higher mechanical stress and friction, often requiring minor component replacements every 5 to 7 years to prevent leaks. Verification: Inspect the sprayer hose under the sink annually for signs of fraying, weeping, or water spotting.
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