Hello all,   I am trying to setup a heating system. I have included the Heatit Z-water in secure mode successfully. Now I am trying add the thermostats (Z-temp2) in secure mode. Since I want to control the z-water relays directly by association from the thermostats, I believe that if this is to work, both Z-temp2's as well as z-water need to be included in secure mode (or all of them in non-secure mode). Since I started with z-water and have now configured it I would like to avoid to r