Product at a glance
Mains operated frost protection electronic room thermostat
The HFT4 is an electronic, mains-operated frost protection thermostat. It ensures heating will switch on whenever frost conditions are detected. This is part of a range of purpose designed room thermostats offering the latest energy saving control technology, combined with established Secure design and manufacturing expertise.
This makes them suitable for use in most types of heating system that respond to a 230V mains electrical On/Off signal. Perfect partners for use with our range of programmers and zone valves. Designed to look good, these thermostats will outperform many older styles of thermostat and can often produce savings in the order of 10% over and above those achieved by traditional units using older technology.