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UH8-N 8-Zone 12v Wiring Centre
£237.19
The UH8‑N is a compact, low‑voltage wiring centre designed for Heatmiser’s 12V thermostat range, providing central control for up to eight underfloor heating zones plus a dedicated hot water channel. Installed alongside the UFH manifold, it simplifies wiring by combining low‑voltage thermostat inputs with full 230V switching for actuators, pumps and valves, ensuring fast, tidy installation and reliable multi‑zone heating control.
Key Features
- 8-Zone Heating Control: Manages up to eight heating zones, each supporting up to six 230V actuators for flexible multi‑loop or multi‑room layouts.
- 12V Thermostat Compatibility: Works exclusively with Heatmiser 12V thermostats, providing safe low‑voltage communication while converting incoming signals into full‑power switching at the manifold.
- Pump & Valve Outputs: Activates the UFH pump and valve whenever any zone calls for heat, ensuring efficient distribution across all connected loops.
- Hot Water Control: Includes a dedicated output for a domestic hot water cylinder, allowing heating and DHW to be coordinated from one unit.
- Radiator Zone Option: Zone 8 can be switched to radiator mode, firing the boiler without running the UFH pump or valve – ideal for towel rails or mixed heating systems.
- Boiler Interlock: A volt‑free boiler output ensures compatibility with most domestic boilers and heat pumps.
- DIN Rail Mounting: Easily mounts to a DIN rail or manifold board for clean and organised installation.
- LED Status Indicators: Clear LED outputs show the status of each zone, pump, valve and boiler for quick diagnostics.
How It Works
The UH8‑N takes low‑voltage signals from each thermostat and responds by switching 230V to the relevant actuators and system components. When heat is requested, the wiring centre opens the appropriate loops, enables the UFH pump and valve, and triggers the boiler through its volt‑free relay. In radiator mode, Zone 8 fires the boiler independently without activating the UFH circuits – ideal for mixed heating setups or secondary spaces. This setup ensures safe thermostat wiring while delivering full‑power performance at the manifold.
Technical Specification
- Zones: 8 heating zones + 1 hot water zone
- Thermostat Input: 12V low‑voltage wired
- Actuator Output: 230V AC (supports up to 6 per zone)
- Boiler Output: Volt‑free relay
- Pump/Valve Output: 230V on heat demand
- Radiator Zone: Zone 8 selectable
- Mounting: DIN rail compatible
- Protection: IP20
- Dimensions: 384 × 148 × 60mm
Frequently Asked Questions (FAQs)
Q: Does it support hot water control?
A: Yes, there is a dedicated hot water output
Q: Which thermostats can I use?
A: Any Heatmiser 12V thermostat, including neoStat‑12V models.
Q: How many actuators per zone?
A: Up to six actuators can be connected to each zone.
