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£77.99

SKU: UH8

Heatmiser UH8 – 8 Zone 230v Wiring Centre

  • Controls up to 8 underfloor heating zones individually
  • Compatible with all standard 230v thermostats
  • Two built-in time channels for heating schedule control
  • Dedicated outputs for boiler, system pump, and hot water cylinder
  • Zone 8 can be used for radiator circuit control
  • Compact design: 384mm x 148mm x 60mm
  • Ideal for large homes, extensions, or light commercial UFH setups

If you have any questions at all about this product or your system, please contact us via our Fee Advice Form Here

If you prefer to collect directly from us, we offer a FREE pick-up service for our local customers – select ‘Pick-Up’ as a shipping option and we will send you the instructions

Expand Your Underfloor Heating with 8-Zone Control

Central Hub for Multi-Zone Underfloor Heating Systems

The Heatmiser UH8 is a professional-grade 230v wiring centre designed to control up to 8 individual underfloor heating zones with ease. Fully compatible with all Heatmiser and other standard 230v thermostats, it’s the perfect solution for larger systems or projects requiring extensive zoning.

This compact unit includes two built-in heating time channels, giving installers and users easy access to scheduling options directly from the wiring centre. With dedicated outputs for your boiler, pump, and hot water cylinder, the UH8 simplifies system wiring while maintaining full control over your heating infrastructure.

Zone 8 can optionally control a radiator circuit, making this wiring centre ideal for hybrid setups. Measuring 384 x 148 x 60mm, it’s suitable for both new installations and system upgrades where advanced control and neat wiring are key.

Need help setting up your wiring centre? Use our Free Advice Form for expert support.

The Heatmiser UH8 8 Zone 230v Wiring Centre is a powerful and versatile wiring hub designed for underfloor heating systems, offering central control of up to 8 heating zones. It works perfectly with the Heatmiser TM4 4-channel time clock and DS-SB thermostats, but is fully compatible with any standard 230v room thermostat.

On board, the UH8 includes two heating time channels and lets you assign each zone to follow a specific one. It also features two extra outputs for hot water or auxiliary control, giving installers a high level of flexibility.

Each zone provides a 230v output on demand to switch actuators, the underfloor heating pump, and the valve. A volt-free boiler connection ensures wide compatibility with modern and traditional boilers. Zone 8 includes a slide switch for use as a radiator zone, disabling the UFH outputs and allowing for mixed system setups.

Whether you’re wiring a multi-zone UFH system or combining radiators and floor heating, the Heatmiser UH8 provides a compact, installer-friendly solution trusted across the UK.

Specifications:

  • Model: Heatmiser UH8
  • Voltage: 230V
  • Zones: 8 (Zone 8 configurable for radiator use)
  • Dimensions: 384mm x 148mm x 60mm
  • Compatible with Heatmiser TM4 and DS-SB
  • 2 Heating time channels
  • 2 Auxiliary outputs (e.g. hot water)
  • Volt-free boiler connection
  • Up to 4 actuators per zone
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Weight1.2 kg

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