Crosswater RM610WC Thermostatic Cartridge
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Summary
This Crosswater thermostatic shower valve cartridge is the temperature-control insert used for the RM610WC shower system.
It restores thermostatic mixing performance inside the valve and is used to control and stabilise outlet temperature. When the original cartridge is worn or scaled common symptoms can include unstable water temperature, poor temperature control, stiffness in operation, or failure to maintain the set temperature.
Dimensions:
| Total length (with wax thermostat) | 95.8mm |
|---|---|
| Total length (without wax thermostat) | 103.6mm |
| Number of 0-rings | 3 |
| Splines count | 32 |
| Spline diameter | 11mm |
| Splines height | 34.7mm |
| Diameter (widest point) | 34.4mm |
| Diameter (below 1st o-ring) | 32.1mm |
| Diameter (below 2nd o-ring) | 30.4mm |
| Diameter (below 3rd o-ring) | 29.2mm |
| Material | Plastic |
| Colour | White |
| Fitting type | Push-fit |
| Gauzes | 2 |
Technical Details
- Crosswater RM610WC is the shower model or application code and MB1113 is the cartridge component code.
- RM610WC is identified as the Crosswater Ethos Multifunction Shower Valve Wall Mounted.
Before you order check
- Check the original cartridge markings and confirm your shower model code before ordering.
- If your spare parts information shows MB1113 as the thermostatic cartridge for the valve this is the matching cartridge code.
- This is a thermostatic cartridge only and not a complete shower valve assembly.
Confirmed Compatible Models
- Crosswater Ethos Multifunction Shower Valve Wall Mounted RM610WC.
- Crosswater MB500RM Fusion Multifunction Thermostatic Valve with Fixed Head & 3 Mode Shower Kit.
Related Spares You May Need
- TACSIL 3g Premium Cartridge Silicone Grease - WRAS Approved for lubricating O-rings and seals during cartridge installation.
- Crosswater PM01046CH Slider Mechanism Bracket for SK510C/RM610WC if you are servicing other worn parts from the same RM610WC shower system.
If you are unsure whether your shower uses RM610WC or MB1113 compare the original cartridge code and the shower model details before ordering.
Product overviewThis replacement slider mechanism bracket for sk510c/rm610wc fits selected Crosswater products and is intended for repair, servicing, or maintenance work.Part referencePM01046CH...
Fast delivery
- UK delivery: £5.95 incl. VAT for this small packet item.
- For all in-stock spare parts the typical UK delivery timescale is 2-5 working days.
- If you need a part urgently then we can provide a next-day (delivered Mon-Fri) UK delivery service for all in-stock small parcels ordered before 3.00pm, Monday - Friday.
- Next day delivery is available to select at an additional charge during the checkout.
- Worldwide delivery available — see our delivery page for details.
Returns
- 14 days 'risk-free' returns.
- Start a return within 14 days of receiving your order by calling 0121 705 0866 or using our contact page.
- Full returns information is available in our terms and conditions.
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