As far as I know, all of the Iris-branded sensors are ZigBee, not zwave. The GoControl “works with Iris” sensors are zwave.
By chance did you check the IDE to see if they are indeed zwave?
It may not be relevant to your problem, but strength of the mesh is one of the main reasons why a sensor reports as open instead of closed or closed instead of open, so it’s worth knowing which of your devices can actually talk to each other.
The following thread is the standard troubleshooting checklist for any sensor, ZigBee or zwave, in case it’s of interest:
I realize at this point you may not want to bother with checking, but just in case…