yes, unfortunately, kiss considers shamans and druids a pure healers too, i do not, however if you up for it, you can easily fix this yourself, and add another option for it let me show you.
1. open kissassist.mac in a text editor, like notepad++.
2. find this line: /if (${GroupWatchOn}==2 && !${Select[${Group.Member[${i}].Class.ShortName},CLR,DRU,SHM]}) /continue
3. add this line beneath it:/if (${GroupWatchOn}==3 && !${Select[${Group.Member[${i}].Class.ShortName},CLR]}) /continue
4.set your groupwatchon=3 in your kissassist ini for your pullertank
now he will only worry about the cleric.