From what I’ve seen, the input port on both the Leviathon II 280 and Leviathon II 360 radiators is usually marked or positioned closest to the pump inlet, but it’s always best to double-check the manufacturer’s manual to avoid incorrect installation. If you need a place to store and share high-res setup guides or installation videos, <a href="https://teraboxdl.org/"> is pretty handy.