Can I use Edge with the UH4 / UH6 or UH8? November 13, 2019 05:58 Follow The Heatmiser Edge and Edge-e are compatible with our UH4, UH6 and UH8 wiring centres Related articles Do you have an app for Heatmiser Edge? I have electric floor heating, what are my options for smart control ? Which Edge model should i select? LCD is permanently blue/white on the Slimline-RF after changing the batteries. What cables do I need to connect my thermostats?