FASS Fuel Systems XWS1002 Extreme Water Separator (XWS1002) Part No: XWS1002 Our new, more efficient Extreme Water Separator is rated at 2 microns absolute. The reason our water separator no longer has a drain is because the filter element itself traps the water.
The new XWS1002 Must be used in conjunction with the PF3001XL, the new filters cannot be used in combination with the FF-1003 or FS-1001.
When replacing the discontinued filters with the new XWS1002 and PF3001XL, the XWS1002 will now be placed on the pressure side of the System and the PF3001XL will be placed on the suction side.
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