What is the replacement for the UH1 Wiring Centre? November 28, 2018 05:15 Updated Follow The replacement for the UH1 wiring centre is the UH8-N available here https://www.heatmisershop.co.uk/heatmiser-uh8-n-8-zone-12v-wiring-centre/ Related articles I have a UH1-W, will a neoAir or Slimline-RF work with this wiring centre? How do radiator zones on the Heatmiser wiring centres enable the boiler? What is the replacement for the UH3 Wiring Centre? What does Ls and Lr mean? I have a 12v wired Heatmiser Network System (UH1) Can I upgrade to Neo?