Replacing a thermostatic coaxial cartridge in a 2, 3 and 4-way valve
This article explains step-by-step how to replace a coaxial thermostatic cartridge in a 2, 3 and 4-way valve, whether it is model prior to April 2013 of after. |
Preparation |
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Important: Turn off the water supply at the faucet before starting. You can either turn off the main supply to the house or close the shut-off valves if the faucet is equipped with them. Then open the faucet again to empty it of residual water. Failure to do so could result in flooding or injury.
- Recommended tools: 2.5mm allen key, Phillips and flathead screwdriver (if you remove the plate), adjustable wrench, soft brush
Instructions: |
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Identify
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Disassemble |
Identify
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Disassemble |
Identify
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Disassemble |
Disassemble |
Identify
Tip : To remove the temperature knob: a) press down b) lift up |
Disassemble |
Disassemble |
Disassemble
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Plate without exposed screwsA or B
1) Remove finish plate 2) Unscrew screws 3) Remove back plate |
Plate with exposed screws1) Unscrew screw caps 2) Unscrew screws 3) Remove plate |
Step 3: Shut off water supply through service valves |
Single handle assembly valve
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Double handle assembly valve
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Step 4: Remove trim (according to model), nut. cartridge and clean |
2-part model a) Unscrew the decorative ring b) Slide out sleeve |
1-part model Slide out sleeve |
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A 2, 3 or 4-way valve - From April 2013 to today
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Insert the new cartridge while making sure that the red check valve is on the hot side and blue on the cold side |
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B 2-way valve only - From April 2013 to today
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Tip: |
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