How to tell the difference between the xSystem 1.0 and the xSystem 2.0

Identifying the differences between xSystem 1.0 and xSystem 2.0

Serial Number Range

Up to 009254 is an xSystem 1.0

Range 009255 to 010400 xSystem 1.0 in new plastics

From 010400 is an xSystem 2.0

Visual Identifier

xSystem 1.0

The xSystem 1.0 has a black cover on the top side of the reservoir 

The install should have a check valve fitted

xSystem 2.0 Identifier

This part on the reservoir has been extended. Previously there was a black cover in this place. Now this is part of the reservoir and clear.

The install will NOT have a check valve as it is no longer needed.