The Heatmiser UH8-RF is designed to be used in conjunction with Heatmiser compatible wireless thermostats. The UH8-RF provides central switching & is therefore ideally situated next to the underfloor heating manifold. 8 zones can be controlled as well as providing an output for a hot water cylinder. On demand from any zone, a 230v output is provided to switch the relevant zone actuators, underfloor heating pump & valve. A volt free connection is supplied for the boiler making it compatible with almost all types of boilers. Up to 6 actuators can be connected to each zone. An external aerial is available for use when the UH8-RF is being mounted in a metal cupboard or when the wireless signal is restricted. A software option is the thermostat means that you can configure which zones are underfloor heating & which zones are radiators. Radiator zones will not enable the underfloor heating pump & valve when there is a call for heat. In addition, the UH8-RF offers DIN Rail Mounting & the