Marflow St. James XSJ-3001/RP Thermostatic Cartridge
Send a photo of your item and we'll help confirm it.
Summary
Marflow St. James XSJ-3001/RP is a thermostatic shower valve cartridge used in selected St. James dual control thermostatic shower valves. This spare part is listed as XSJ-3001/RP, and the cartridge family is also referenced as XSJ-300/RP.
This cartridge regulates mixed water temperature inside the valve body and is used to restore stable temperature control where the original thermostat has worn or become affected by scale or debris. Common symptoms include unstable outlet temperature, reduced temperature control, or a shower that no longer responds correctly when the temperature handle is adjusted.
Technical Details
| Type | thermostatic shower cartridge |
|---|---|
| Installation | push-fit |
| Body colour and material | white plastic / nylon |
| External O-rings | 3 |
| Cartridge diameter | 32mm |
| Overall length | 95mm |
| Handle spline diameter | 10.8mm |
| Splines | 32 |
| Order check | for SJ7400 and SJ7600 valves this cartridge is used on earlier versions and later versions are listed separately under XSJ-1210 so check the valve version before ordering |
| Installation note | lightly lubricate the O-rings before fitting and make sure the valve body is clean and free from scale or debris |
Confirmed Compatible Models
- Marflow St. James SJ7300 Traditional Exposed Thermostatic Shower Valve and Bath Filler
- Marflow St. James SJ7400 pre-2021 anti-clockwise turn-on Brittania SJ74
- Marflow SJ7600 Traditional Concealed Dual Control Thermostatic Shower Valve pre-2021
Related Spares You May Need
- TACSIL 3g Premium Cartridge Silicone Grease - WRAS Approved for lubricating the cartridge O-rings during installation
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.
Payment methods
We accept the following payment methods:
- Card payments: Visa, Mastercard, Maestro, Discover, JCB, Diners Club and EnRoute
- PayPal
- American Express: available via PayPal guest checkout only
- BACS bank transfer
- Cheque: dispatch takes place once payment has cleared
Security
We use industry-standard payment systems to help keep your payment information secure. Our website and payment processes are regularly checked to maintain PCI security standards.
- Secure SSL encryption
- Your personal and payment details are protected
- Regularly checked for PCI security standards
