

However, making sure you pick the right replacement filter is something that troubles many of our customers. Zip have changed the filters 3-4 times over the last few years, with only one filter compatible with your unit. They have different filters for domestic and commercial units (that look very similar). Below we will go through the different filters to help you pick the right one.
Here’s a quick video explaining how to change the internal filter:
Knowing the age of your system will help determine the filter that is compatible to your unit. It is important that you check you are buying the right one. Please check the part number on the filter matches the one you are buying. With limescale filters this isn’t as important because you can change the connection to match the latest filters. For taste and odour filters,your choices are:

91240 (ZT002) – This is the oldest Zip filter on the market, for the G3 range of units. The launch of G4 unit happened in 2014, so you would only require this filter if your tap was purchased before then. If your tap is still using this filter then we would recommend upgrading to a new system, as these taps can be very expensive to maintain after 5 years. The capacity of this filter is 5,678L.

91290 (ZT402) Zip released the G4 units at the start of 2014. If your unit was purchased between 2014-2017 then it is more than likely going to have the ZT402 internal filter. This filter is the easiest of the four to identify as it is white plastic cased, unlike the other three which are metal cased. This is a 0.2 Micron filter, which makes it amongst the best level of filtration available on any drinking water appliance. The capacity of this filter is 6435L.


93702 – The 93702 is the taste and odour filter for all commercial Zip units purchased since 2018. This is the third metal filter in the range, which makes it difficult to see the differences between them. The height of the 93702 is 24cm. The capacity of this filter is 6813L.
You can find all the Zip replacement filters here. If you need any help with picking the correct filter then please give us a call on 01934 253600 and we can discuss this through with you.