Indicate type of pan from diagrams.
The simplest method of differentiating between washdown and siphonic pans is to estimate the distance between the bottom of the 'U' bend and the floor. Ina washdown pan it will be 25mm, and in a siphonic pan it will be 100mm
If close coupled how many bolts fixing cistern to pan and how many fixing holes in the pan: 2,4 or 6.
Indicate the pan outlet from the diagrams.