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Mrs. Mariah DorseyAug 7, 2025
How to fix a Project Source Plumbing Product faucet that leaks underneath the handle?
- RRobert AndersonAug 7, 2025
If your Project Source Plumbing Product faucet is leaking beneath the handle, it could be due to a loose bonnet or a dirty/misplaced ceramic cartridge seal. First, turn the handle off, unscrew it, and remove it. Then, tighten the bonnet clockwise. If the leak persists, shut off the water supply, remove the bonnet, and lift out the ceramic cartridge. Inspect the seal for debris, and re-seat it if twisted. If the seal is worn, replace the cartridge by calling customer service. Finally, reposition the cartridge and tightly screw the bonnet back on before reinstalling the handle.
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