This FASS Extreme Water Separator (XWS3002) is a great replacement for the FS - 1001. It fits Fass Fuel Systems in the Drop - In Series, FASS Titanium Series, or FASS Titanium Signature Series. The XWS3002 is much more efficient with a 2 - Micron Absolute rating. It has a new design that traps water internally, so there's no need to drain from the bottom. With a 25,000 - mile life expectancy, it's a reliable choice. The new XWS3002 must be used with the PF - 3001, and the new filters can't be used with the old ones like FF - 3003 or FS - 1001. When replacing the old filters, place the XWS - 3002 on the pressure side of the pump and the PF - 3001 on the suction side. Refer to the location diagram on the new filters for proper placement.

Using this FASS Extreme Water Separator (XWS3002) is easy. First, make sure to replace the old filters (like FF - 3003 or FS - 1001) with the new set. Place the XWS - 3002 on the pressure side of the pump and the PF - 3001 on the suction side. Check the location diagram on the new filters to ensure proper placement. Remember, you must use the XWS3002 with the PF - 3001; don't mix it with the old filters. As for maintenance, since it has a 25,000 - mile life expectancy, you can expect it to work well for a while. But keep an eye on its performance. If you notice any issues like reduced efficiency, it might be time to check the filter. Also, as it traps water internally, there's no need to drain the bottom, which makes it more convenient for you.