I know both units, I honestly think the price difference is not in materials, or design, but market leader premium price. The Eco-sistems is a remarkably good and reliable unit. The feed pump MUST be as low below water line as possible, then you will have no problems.

Hi mate, been reading [painfully] through the forums and interested in the Ecosistems WM - we have a yacht in Croatia and planning to sail it home to NZ. The Eco is about Eur2k cheaper then the Spectra 150 delux. Can you let me know your thoughts or recommendation on Eco v Spectra WM? Thanks so much!