The Heatmiser UH8 8 Zone Wiring Centre v2 is a versatile, centralised wiring hub designed for underfloor heating systems and compatible with any 230V room thermostat. It enables convenient control of up to eight heating zones, making it ideal for residential or light commercial multi-zone installations. The UH8 is engineered to work seamlessly with the Heatmiser TM4 4-channel 230V time clock and DS-SB 230V Set Back Thermostat but also supports a wide range of standard 230V thermostats.

• Zones Supported: 8 heating zones (individually controlled)
• Thermostat Compatibility: Compatible with any 230V room thermostat, including Time Clock (TM4 v2) and Set Back Thermostat (DS-SB v3)
• Heating Channels: Two onboard heating time channels, each zone can be set to follow a specific time channel for efficient scheduling
• Additional Channels: Two auxiliary time channel connections for hot water control or other devices
• Actuator Outputs: 230V output to switch relevant zone actuator, pump, and valve on demand; supports up to 4 actuators per zone
• Boiler Control: Volt-free connection to ensure compatibility with virtually any boiler system
• Radiator Zone Option: Zone 8 can be switched to control a radiator zone (disables pump, valve, and boiler activation for independent radiator control)
• DIN Rail Mounting: Yes, for secure and organised installation
• Status Indication: LED indicators for each zone, pump, valve, and boiler for simple system status checks and troubleshooting
• IP Protection: IP20
• Dimensions: 384 x 148 x 60mm (Length x Height x Depth)
• Power Supply: 230V AC
• Relay Load Max: 3A per relay
• Total Load: 5A
• Warranty: 2 Years Manufacturer’s Warranty

The UH8 8 Zone Wiring Centre v2 simplifies wiring and zone management for complex heating systems, providing flexibility, scalability, and reliable performance for both new builds and retrofits.

Box Contents:

• Heatmiser UH8 8 Zone Wiring Centre v2
• DIN rail mounting fittings
• Fixing screws
• Installation manual