This is a thermostatic cartridge for Mira Coda 1744.108 shower mixers. Mira 1630.043 and 1663.114 are the codes of the Coda shower bards which come with a handle. This doesn't include the temperature control handle.
This cartridge is also used in the sister product which is the Mira Atom 1663.114.
More specifically, this cartridge is used in following shower bars:
| Cartridge Length | 103.65mm |
|---|---|
| Diameter | 34.5mm (at the widest point) |
| Diameter at Top O'Ring | 32.2mm |
| Diameter at Bottom O'Ring | 30mm |
Diameter of top Spindle (which the temperature handle connects onto): 9.5mm
| Number of Teeth on Handle Splindle | 24 |
|---|---|
| Type | Push fit |
| Cartridge Material | Plastic nylon with brass spindle and Vernet France 0165 copper thermostat element |
| Number of O-rings | 3 |
| Tiers of Splines | 1 |
| Number of Gauze Filters | 2 |
Generally, if your Mira Atom stops regulating water temperature correctly and you have a constant flow of hot water to the shower mixer, then the problem is usually with the thermostatic cartridge. Replacing the old Mira 1630.043 cartridge with a new one will likely fix the problem and get the shower up and running once again, operating like it was when it was new.
The thermostatic cartridge is the heart of the shower bar. All water which comes out of the shower travels through the cartridge so after a long time and thousands of litres of water passing through it, the cartridge will start to deteriorate. Limescale can also grind away at the moving inner parts of the thermostatic cartridge.
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