Heatmiser UH4 4 Zone Wiring Centre v2

The Heatmiser UH4 4 Zone Wiring Centre v2 is a compact and versatile hub designed to centralise wiring and control for small to medium-sized underfloor heating systems. It supports up to four heating zones and includes dedicated outputs for a domestic hot water cylinder, system boiler, and circulation pump, offering efficient integration for both underfloor heating and conventional radiator circuits. Zone 4 can be configured as a radiator zone, making the UH4 suitable for mixed heating environments. The unit is compatible with 230V mains thermostats, including the DS1, Slimline, neoStat, and Touch ranges.

• No. of Heating Zones: 4 (each zone individually controlled)
• Actuator Outputs: 230V per zone (supports up to 6 actuators per zone)
• Hot Water Cylinder Output: Dedicated connection for DHW cylinder control
• Boiler and Pump Outputs: Centralised control of system boiler and circulation pump
• Radiator Compatibility: Zone 4 can be set as a radiator zone for mixed systems
• Thermostat Compatibility: Works with all Heatmiser 230V thermostats
• Neon Indication: Visual LED status indication for straightforward system monitoring
• DIN Rail Mounting: Yes, includes clips for easy DIN rail or wall mounting
• Voltage Supply: 230V AC
• Relay Load Max: 3A per zone
• Total Load: 5A
• IP Rating: IP20
• Dimensions: 384mm x 148mm x 60mm (L x H x D)
• Warranty: 2 Years Manufacturer’s Warranty

The UH4 provides a robust and reliable foundation for modern multi-zone heating setups in homes and small commercial installations, delivering clear, central control in a compact footprint.
Especially suited for properties with up to four heating zones, underfloor heating circuits, or combined radiator areas.

Box Contents:

• Heatmiser UH4 4 Zone Wiring Centre v2
• DIN rail mounting clips
• Fixings
• Installation manual