Horstmann HRT4 Data Sheet

Horstmann Thermostats Data Sheet - HRT4.
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This range of purpose designed room thermostats from 
Horstmann offer the latest energy saving control technology 
combined with established Horstmann design and 
manufacturing expertise. This makes them suitable for use 
in most types of heating system that respond to a 230 volt 
mains electrical On/Off signal.

They are also perfect partners for use with Horstmann 
Programmers and Zone valves.

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230 volt mains operation

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TPI temperature control software

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Standard, Frost and Tamperproof versions

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Easy to install and use

Designed to look good, these thermostats will out perform 
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.

The temperature control accuracy of +/- 0.5°C and different 
TPI settings – for Gas, Oil and Electric systems – will reduce 
the temperature swing that normally occurs with older style 
thermostats. As a consequence these thermostats will help 
to save energy as the control algorithm allows the boiler to 
operate in condensing mode for longer periods.

HRT4-A, HFT4 and HTT4
Mains Operated Electronic Room Thermostats

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