How to replace a Mira Excel thermostatic cartridge (part no. 903.33).

George replaces the 903.33 thermostatic cartridge inside a Mira Excel shower. Get the complete cartridge assembly from The Shower Doctor: http://bit.ly/14MaVxF

Timestamps:
0:00 Introduction
0:23 Removing front knob
0:51 Discussing cartridge types
1:15 Removing the cartridge
2:00 Setting up the cartridge
2:25 Installing the 903.33
3:35 Reassembling the shower
4:46 Discussing newer models

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