Heatmiser UH2 The Heatmiser UH2 can be used in conjunction with our mains thermostats. The UH2 is also ideally suited for underfloor heating. When used for under-floor heating an option is available to use zone 4 for conventional radiator control.

• The UH2 provides central switching of up to 4 zone actuators
• Output for a hot water cylinder and the system boiler and pump.