The Heatmiser PRT-B Battery Powered Programmable Thermostat is a viable upgrade route for those with a dial thermostat working on a 2 wire system.The design follows our slimline thermostat series with Non-programmable and Programmable models being available.
Battery Powered Powered from 2 x AAA Batteries – suitable for2 wire heating systems.
Optimum Start A feature whereby the thermostat calculates the amount of heat up time required is standard on the Programmable model (PRT-B)
Surface mount Battery thermostats are surface mounted for easy installation, making them perfect for the retrofit projects.
Built-in Air Sensor
2 x AAA Batteries