Genuine Mira Excel Thermostatic Cartridge Assembly (Post-2003)
Genuine Mira Spare Post-2003 Models SKU: 1.451.71.3
The Mira 1.451.71.3 is the official thermostatic cartridge for Mira Excel shower valves manufactured from March 2003 to the present day. This high-precision component maintains temperature stability and safety, featuring an integrated thermal shutdown to protect against scalding if the cold water supply fails.
⚠️ Check Your Manufacturing Date
This cartridge only fits Excel models made AFTER March 2003. If your shower was installed or manufactured between 1990 and early 2003, this part is not compatible.
Technical Specifications
- Technology: Wax-capsule thermostatic regulation.
- Materials: High-grade composite and brass internals.
- Flow Compatibility: Low pressure (gravity) or high pressure (combi/pumped).
- Installation: Direct drop-in replacement.
Symptoms of Failure
It is time to replace the cartridge if you experience:
• Sudden temperature spikes or drops.
• Significant loss of water pressure.
• Leakage from the temperature control knob.
• The handle has become stiff or seized.