IMI Heatmiser neoStat 12v V3 - Smart Thermostat Low-Voltage Smart Thermostat IMI Heatmiser neoStat 12V V3 Low-voltage smart control for multi-zone systems. The neoStat 12V V3 is the low-voltage variant of our latest smart thermostat range, designed for systems that require a 12V powered thermostat... MSRP: Was: Now: £89.47