Hi Patrick,
The pump in Touchaqua Sedna O11D Lite-F for a Lian Li O11 Dynamic is K1M.
Here is the link to this pump. The Maximum flow is 7.7 LPM.
We have a stronger pump than the K1M pump.
The model is BPTA-PHCL. You can switch to this pump.
If you have any questions, feel free to contact us.
https://shop.bitspower.com/index.php?route=product/product&product_id=8052&search=K1M
https://shop.bitspower.com/index.php?route=product/product&product_id=8190&search=PHCL