Cartridge repair guides

Straight guides to pulling and replacing faucet and shower cartridges. Written for people who do this for a living, clear enough for anyone doing it once.

• Replacing an American Standard Shower Cartridge

  How to pull and replace a shower cartridge on an American Standard valve, including pressure balance orientation and handling a seized cartridge.

• Replacing a Delta Faucet Cartridge

  How to identify and replace a Delta faucet cartridge, including telling a ball valve from a cartridge and what to record before ordering.

• Replacing a Delta Shower Cartridge

  How to get a Delta tub and shower cartridge out, tell which one you have (Monitor RP19804, MultiChoice RP46074 and others), and get the right replacement.

• How to Replace a Shower Cartridge

  The general procedure for replacing a shower cartridge on any single-handle valve, what changes by brand, and how to work out which cartridge you are holding.

• Replacing a Kohler Faucet Cartridge

  How to replace a Kohler faucet cartridge, what to record before ordering, and why the trim in front tells you little about the valve behind it.

• Replacing a Kohler Shower Cartridge

  How to service a Kohler Rite-Temp shower valve, including the mixer cap, the alignment that stops it leaking, and what to check before ordering.

• Replacing a Moen Faucet Cartridge

  How to replace a Moen faucet cartridge, including the copper clip, the 90 degree twist, and the notch that sets hot and cold.

• Replacing a Moen Shower Cartridge

  How to pull and replace a Moen Posi-Temp shower cartridge, including the retainer clip and the quarter-turn twist that frees a stuck one.

• Replacing a Price Pfister Faucet Cartridge

  How to replace a Pfister faucet cartridge, including why the numbering has been superseded more than once and what to record before you order.

• Replacing a Price Pfister Shower Cartridge

  How to pull and replace a Pfister shower cartridge, including which cartridge fits which valve and what to record before you order.