The HT4t Heatwell's dual purpose thermostats.  The HT4t is designed to operate underfloor heating and heated towel rails with the same thermostat.  The HT4t can not be used as a replacement thermostat unless wiring from the towel rail to the thermostat mount pre-exists

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The HT4t has the following features

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• Manual and Program modes

• 2 programmable periods per day

• 12 hour clock

• Large, easy to read touch screen

• Battery standby

• Lockable

• Can use floor probes or air sensor

• 6 possible floor probe settings (3, 10, 15, 25, 50, 100 kOhms)

• Can dial in actual temperature

• Underfloor heating and towel rails can be operated independently

• Zone 1 controls underfloor heating. Zone 2 controls the heated towel rail

• Dimensions (cm) 12 x 8 x 1.8

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​The HT4t comes pre-programmed, is tested in New Zealand, and comes with a 2-year warranty.​​