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, what to record before you order the part, and how to handle 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, the RP19804 and RP46074 split, and what to record before ordering.
- Replacing a Delta Shower Cartridge
How to identify and replace a Delta tub and shower cartridge, including the white cap versus grey cap test, why the two are not interchangeable, and setting the Rotational Limit Stop.
- 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 and pressure balancing unit, the alignment that stops it leaking, and what to check before you order parts.
- Replacing a Moen Faucet Cartridge
How to replace a Moen 1225 or 1200 cartridge in a kitchen or bathroom faucet, 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, the quarter-turn twist that frees a stuck cartridge, and getting hot and cold the right way round.
- Replacing a Price Pfister Faucet Cartridge
How to replace a Pfister faucet cartridge, including the part numbers that have been superseded, the B-42 broach, and what to record before you order.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and replace a Pfister shower cartridge, including which cartridge fits which valve, the part numbers that have been superseded, and what to record before you order.