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Check a faucet aerator for low flow in six steps

When both hot and cold flow are weak, identify the tap model and check for aerator debris.

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Moen Solutions

Official source: Check a faucet aerator for low flow in six steps

Link card to Moen Solutions source

Moen notes that aerators are only one possible cause alongside cartridges, diverters or supply lines. Do not force apart a non-removable part.

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1. Confirm reduced flow affects both hot and cold water; seek professional help for leaks or unusual noises.
2. Identify the faucet make and model and determine whether its aerator is user-removable.
3. Turn off the faucet and cover the drain so small parts cannot fall in.
4. Remove the aerator only as the model manual permits, keeping track of its parts.
5. Rinse debris from the screen with clean water; consult service or replacement parts if damaged.
6. Reassemble and slowly test water flow and leaks; if unchanged, seek supply-line or cartridge diagnosis.