Already done that - perhaps they can get rid of some of the thermostats etc.While I don't disagree that more may be better, Elk may be limited by memory constraints and physically cannot do this. Sometimes you can be more creative in your use of counters, outputs and rules to work around custom settings limitations.How about some more custom settings- 20 is totally inadequate. I'm full and now totally dead in the water re any further expansion of the system.