A loose aerator (mesh screen) on the tip of the spout can also cause unexpected leaks due to backpressure in the faucet Rotary ball, cartridge and ceramic disc Additionally, a loose retaining nut that secures the cartridge/stem to the faucet can cause leaking.
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This article will explain the most common reasons for water leak to drip out of the end of the spout of a kitchen faucet.
Learn how to fix a leaky faucet in your kitchen or bathroom by following these steps
You’ll be able to take the faucet apart, find the problem and make the repair.