How to Change On/Off Cartridge

Tool Required

1. small Allen Wrench Hexagon Key (typically one of the smallest sizes)
2. Hex socket (15mm)

Instruction

1. Locate the knob that you would like to remove, and remove the tip of the knob

2. turn side way for easy access, and use hexagon key  to loosen the screw

3. Use a 15mm socket

4. Use a wrench to loosen the cartridge.

5. Remove the on/off cartridge