Say you need to select all 1″ riser nipples but don’t want to go through a large drawing looking for and selecting them individually. How to do that? This way:
1. Select all items in the drawing. Alternatively, you could just isolate the riser nipple layer and select those
2. Open the Properties palette by Right-Clicking and picking Properties or hit CTRL+1
3. Pick the drop down list and pick HYDRAPIPE. This is the internal name of our riser nipples. All other items are now ignored
4. Pick the Quick Select button
5. Pick HYDRAPIPE under Object type then diameter under Properties, then type in 1 under Value. Make sure Include in new selection set is selected and pick OK
6. You now have a selection set of only 1 inch riser nipples. You can change the diameter, length or whatever at this point
Note: if you use inch marks on your diameters, then you would need to type in 1″ as the Value in Step 5, above.
The H-Factor 
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