The Heatmiser UH4 4 zone 230v wiring centre can be used in conjunction with any of Heatmisers mains thermostats. The UH4 is also ideally suited for underfloor heating. When used for underfloor heating an option is available to use zone 4 for conventional radiator control.
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Heatmiser UH4 4 Zone 230v Wiring Centre - UH4WIRINGCENTRE – Technical Specifications