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VADO C-301-RTC 3/4 Inch Ceramic Disc Flow Cartridge (On/Off) VADO C-301-RTC 3/4 Inch Ceramic Disc Flow Cartridge (On/Off)

VADO C-301-RTC 3/4" Ceramic Disc Flow Cartridge (On/Off) - Compatible Spare

Part Number: C-301-RTC

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Product description


VADO C-301-RTC 3/4 Inch Ceramic Disc Flow Cartridge (On/Off) used in CEL-148D, NUA-148D, NOT-148D, SOH-148D, MIX-148D, LIF-148D, ORI-148D, CEL-149-3/4, CEL-128C

Shower Spares Run-Through: Vado C-301-RTC

How will you know if the Vado shower needs a replacement C-301-RTC flow cartridge? How can you determine first-hand if this cartridge will fit in the shower you have? These are some of the topics that will be tackled in this short spares overview.

The Vado C-301-RTC is a ceramic disc flow cartridge. It has a single O-ring and a blue bottom seal. The cartridge opens in an anti-clockwise direction and closes in the opposite. If the shower refuses to turn off or if it is incessantly dripping when turned off, there might be something wrong with the C-301-RTC Vado 3/4 inch flow cartridge.

Vado C-301-RTC Technical Information
It is possible to fit the Vado C-301-RTC in other shower or tap valves. These measurements will help you determine if this flow cartridge replacement is the one you need to repair a leaking shower. In addition, the information can help verify if this cartridge is the one used in the Vado shower valve you have.

Cartridge Measurements:
Total Length (including bottom seal): 53.2mm
Diameter at Widest Point: 28.8mm
Barrel Diameter: 23.4mm

Top Spline Diameter: 7.8mm
Top Spline Teeth / Notches: 20

Upper Thread (closer to spline): 23.7mm
Lower Thread: 3/4" (26mm)

Bottom Seal Colour: Blue (for Cold Side)
Close Direction: Clockwise Close (Anti-Clockwise Open)

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Installing the Vado C-301-RTC
The internal framework of Vado shower valves compatible with the C-301-RTC flow cartridge is basically the same. The difference between each model lays with its handle design.

1. Handle removal. There is a screw cap under each of the handles. Remove the screw cap to access the grub screw. Use a hexagonal key to loosen the grub screw. Slide the handles out.

To remove the temperature control handle of the Vado Celsius (CEL-148D), Nuance (NUA-148D) and Origins (ORI-148D): unscrew the lever by hand to access the grub screw.

2. Unscrew the securing rings and shrouds then slip the cover plate out.

3. Isolate water supplies via the isolation screws on the sides of the valve. Turn each isolation screw clockwise until it tightens (be careful not to overtighten). This will close the hot and cold supplies.

Make sure you are not under the shower head when testing whether the isolation is successful. If unsure about this, water can be cut off by the mains.

4. Use a spanner to unscrew the Vado C-301-RTC and remove it from the valve.

5. Seat the newly greased replacement C-301-RTC Vado flow cartridge in the valve and screw it in place.

6. Open water supplies by turning the isolation screws anti-clockwise until the head of the screw is slightly higher than the surface of the hexagonal nut.

7. Return the cover plate, the shrouds and securing rings, and the handles.

Other Vado Shower Spares used with C-301-RTC
+ V-001C-PLA Thermostatic Cartridge
+ MIX-1/FLOW-C/P Flow or Diverter Control Handle
+ MIX-1/TEMP-C-C/P Temperature Control Handle

All spares purchased before 3 PM will be dispatched on the same business day (M-F).
shipping & Returns


  • Delivery of this item is priced as a 'small' packet. UK delivery costs £5.95.
  • 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 3.30pm, Monday - Friday.
  • Next day delivery is available to select at an additional charge during the checkout.
  • We delivery WORLDWIDE. For more information about international deliveries, read our delivery page.


  • If you need to return a part then please telephone Di Vapor on 0121 705 0866 with the reasons for the return within 14 days of receiving the goods.
  • For more information please see our terms and conditions.
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