How To Change Shower Faucet Cartridge
Shower faucet cartridge – Moen shower uses a replaceable cartridge system to regulate the water and pressure. Cartridges are designed to last for three to five years before it needs to be replaced or maintained. Install a new cartridge can often greatly increase the shower pressure your shower can maintain and reduce the amount of sediment such as lime and calcium in the water.
Turn off the main water supply for the room containing your shower faucet cartridge. The water main in most bathrooms is locate under the sink. And consists of one or two wheels connected to either hard copper pipe or flexible metal. Close all handles at least 1/2 turn to the left to turn them off. Turn Allen key counterclockwise in the shower handle, the star-shaped opening. This allows you to remove the shower handle.
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Use the Allen key in the shower plate (2 seats) in the star-shaped openings. This allows you to remove the shower faucet cartridge plate. Attach the handle to the head of the cartridge and turn it counterclockwise while pulling the cartridge head out of the shower. Insert the new cartridge with pliers, twisting it at least half a turn clockwise until you hear it click into place. Do not force the new cartridge or you risk damaging the pipes and soldering work.