Yes, most accessories work with every version of Aquaero 5/6.Can I use the Aquaero flow sensor with the 6LT?
https://www.overclockers.co.uk/aqua-computer-high-flow-flow-sensor-wc-113-aq.html
Page 12:
https://aquacomputer.de/tl_files/aquacomputer/downloads/manuals/aquaero_5_6_en.pdf