Description
Franke Zurich Filterflow Cold Diverter Cartridge 3448R
Franke Filterflow Cold Diverter Cartridge 3448R . Recent installation guides refer to it as SP3448 and it’s the same part.
Hot side takes a 1/4 turn ceramic valve and the Cold side takes a diverter Valve (which is bigger than the Hot Valve) now described in more recent installation guides as SP3448 – but it’s identical part, just name change.
3448R Diverter Cartridge
Cold Diverter Valve: Splines 18, Diameter of thread 29mm, Height 48mm Brass to Brass

Zurich Filterflow Cartridge3448R and Casing 4144R
Our DIY Video Guide for Removing Spout with a Locking Nut.
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- Genuine = Proper fit, tested by the Manufacturer
- Compatible = Not made by your Tap’s brand. May not fit or last.
We’ve seen compatible parts cause leaks or damage. Choosing genuine parts protects your tap and warranty.
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In Brief:
- Small items only by Post: £3.50. Can take currently up to 7-10 working days.
- Courier Delivery DPD Track & Trace: £5.50. Usually takes c. 2-3 working days. Please make sure to provide mobile number for DPD to text you regarding your delivery.
- BREXIT: No additional charges on delivery once your Order before shipping charges is less than £135.
After Sales Service
Our Sales Team is available for excellent after sales service. We have been supplying Kitchen Taps for over 30 years and accordingly can troubleshoot any issue with a Kitchen Tap. The most effective way to maintain your Kitchen Tap is to fix any issue as it arises.
If you ignore a drip it can effect the inner workings of your Tap. It might result in the drip being beyond repair. Often Plumbers advise to replace the Tap. They do this because customers purchase the wrong part or the exact part is hard to source.
But not if you contact us. If you contact us before buying, we will advise you on the correct part for your Tap. That way, if you are calling in a Plumber to fix your Tap, all the correct parts will be there for the Plumber to fix your Tap.
If you wish to fix the Tap yourself we provide DIY Guides on all our Franke Tap Spares to assist you.
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