Heatmiser PRT-B View Large Image

Our battery thermostats are a viable upgrade route for those with a dial thermostat working on a 2 wire system.
The design follows our slimline thermostat series programmable model.


  • Battery powered - Powered from 2 x AAA Batteries, suitable for 2 wire heating systems
  • Surface mount - Our battery thermostats are surface mounted for easy installation, making them perfect for the retrofit market.
  • Optimum Start - A feature whereby the thermostat calculates the amount of heat up time required.
  • Key Lock Function - Our battery thermostats are equipped with a key lock helping to prevent energy usage by restricting access
  • Temperature Range - 05-35oC
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