Get rid of the rat’s nest in your mechanical room! With the QCB zone valve relay you can easily and quickly make a masterpiece of your zone valve wiring and control. Built to work with standard or smart thermostats, the QBC can add a professional appearance and simplify wiring and control of your hydronic systems.

  • Fast clean install of zone valves wiring
  • Easy and quick diagnostic times
  • No rats nest of wires
  • Reduce low voltage shorts
  • Save time and labor on install and service
  • Clean up un necessary wires
  • Easily power smart thermostats
  • zone valve control
  • Easily combined multiple QCB strips together