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Rangemaster Spa Filter TSA1 Tap Cold Diverter Cartridge

£33 incl. VAT

Rangemaster Spa Filter TSA1 Tap Cold Diverter Cartridge

Pre 2009 : Red Diverter Cartridge 3079R Please read Important notice down below before ordering.You might also need the Brass Casing that covers it 3192R (This Brass Casing has 20 splines and covers the Red Diverter Cartridge (Splines 15) and can be purchased here.

Post 2009 : Brass Diverter Cartridge 3448R : You might also need the Brass Casing that covers it 4144R ( and it has a hole at the top to allow the brass splines of the cartridge to pop through for handle to grip.  This can be purchased here.

Different Filter Taps (also known as Aquifiers) take different size Diverter Cartridges. See here for our complete selection of Cartridges.


Rangemaster Spa Filter TSA1 Tap Cold Diverter Cartridge

Pre 2009 (but please check your own tap ):Here are the measurements of the Red 3079R Cartridge that we stock

  • 14 Splines and covered by Brass Casing (not included) that has 20 splines
  • 42mm Overall Height
  • 21mm Body Height
  • 26mm Diameter
  • 12mm Tap Lever Height

Important: Red Diverter Cartridge. If you have a Red Diverter Cartridge in your tap, then your tap is approx more than 11 years old. Newer models have a Brass Diverter Cartridge. Before you order, please read all the information here. We have so far noted three versions of this Cartridge and we only stock one of these three. There are detailed pictures here of the Part that we stock and also in the gallery, You need to remove your own Cartridge can compare the underside to the pictures available here BEFORE Ordering. Please compare your own to the pictures here.

Cartridge 3079R

Cartridge 3079R

3079R we do not stock infographic

3079R we do not stock infographic


If your own Red Diverter Cartridge is the same as the 3079R here, some further information to note:

  • These parts are coming directly from the manufacturer of your tap.
  • The 3079R Red Diverter Cartridge that we have currently in stock is stiffer but should loosen out with use.
  • We would also recommend that you purchase the 3192R Brass Casing as some customers have reported that changing only the 3079R Diverter Cartridge was not enough to stop the leak. They also needed to replace this 3192R Brass Casing alongside replacing the 3079R.
  • In some cases, even by doing this there was still a leak and this is due to the fact that the 3192R Brass Casing currently available might be slightly different from older models. It is possible that you might need to take the top part (with splines) of the 3192R that you purchase and re-use the base part of your own 3192R to get the best fit to stop any leaks.


Post 2009 (but please check your own tap):Here are the measurements of the Brass Diverter that we stock

  • Splines 18 (2 of the 18 are slightly wider but 18 in total)
  • 48mm Brass to Brass
  • 29mm Diameter of thread

Diverter Cartridge 3448R Underside View

You might also notice an additional Brass piece that covers your 3448R Cartridge. This part is not used with the earlier Red Diverter Cartridge.

Rangemaster Spa Tap showing 144R Casing & 3448R

Rangemaster Spa Tap showing 144R Casing & 3448R

This is a Genuine Spare Part.

Detailed Shipping / Returns information can be found here.
In Brief:
- Small items only by Post: £3.50 Can take currently up 7-10 working days.
- Courier Delivery DPD Track & Trace: £5.50 Usually takes c. 2-3 working days.
- BREXIT: No additional charges on delivery once your Order before shipping charges is less than £135.

If you have any questions please don't hesitate to get in touch with us. With 30 years experience in supplying sinks and taps, and the accompanying spare parts to the UK market, we consider ourselves to be experts in this field. Any queries received will be answered as quickly as we possibly can in as clear a manner as possible.

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