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Express delivery for Thursday Available Until 4pm Tomorrow
UK Mainland Only


Horstmann

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C-Stat 17-ZW is an electronic programmable thermostat that combines time and temperature control in ..
£91.00
Ex Tax: £75.83
Horstmann BX2000 boost control. Replaces BX90.   ..
£84.35
Ex Tax: £70.29
The innovative Horstmann CentaurPlus C17-ZW combined wireless room stat and time control offers inst..
£81.29
Ex Tax: £67.74
The C17 CentaurPlus single channel timeswitch offers 7 day programming at an affordable price. * ..
£37.96
Ex Tax: £31.63
The C27 CentaurPlus two channel heating programmer offers 7 day programming at an affordable price. ..
£38.90
Ex Tax: £32.42
H425 Coronet A single circuit timeswitch for straightforward accurate time control.The 425 Corone..
£56.69
Ex Tax: £47.24
C-Stat is an electronic programmable thermostat that combines time and temperature control in a comp..
£55.19
Ex Tax: £45.99
H425 Diadem This twin circuit hot water and central heating programmer with indicator lights has ..
£62.99
Ex Tax: £52.49
The electrisaver is a simple push button electronic timer that saves energy by remembering to switch..
£28.24
Ex Tax: £23.53
The electrisaver is a simple push button electronic timer that saves energy by remembering to switch..
£31.51
Ex Tax: £26.26
The electrisaver is a simple push button electronic timer that saves energy by remembering to switch..
£28.24
Ex Tax: £23.53
These simple controls are intended for use where cheap overnight heating of water is controlled by t..
£61.57
Ex Tax: £51.31
Horstmann's Electronic 7 immersion heater control is instantly compatible with tarrifs that keep to ..
£68.44
Ex Tax: £57.03
BRAND NEW - UPDATED VERSION OF H17XL CAN DIRECTLY REPLACE EARLIER H17 / H17XL * Complete with ne..
£51.20
Ex Tax: £42.67
Directly replaces earlier H21 / H21XL / H27 / H27XL * Complete with new backplate * Channel nam..
£58.79
Ex Tax: £48.99
Directly replaces earlier H37XL   Complete with new backplate 3 Channel 7 Day Pro..
£108.59 £94.79
Ex Tax: £78.99
3-Channel Volt Free Programmer Backplate rewire required when replacing H37XL Complete with..
£158.27
Ex Tax: £131.89
Horstmann Release its New 4 Channel Programmer Following the recent introduction of its complete..
£152.88
Ex Tax: £127.40
Horstmann HRT4B Digital Thermostat with TPI   TPI energy saving software (adjustable ..
£32.92
Ex Tax: £27.43
Horstmann HRT4ZW Digital Thermostat with TPI   HRT4-ZW - Wireless Z-Wave electronic r..
£59.99
Ex Tax: £49.99
HTT4: Tamperproof Room ThermostatA tamperproof room thermostat for use in public areas or other situ..
£24.23
Ex Tax: £20.19
H425 Tiara The Tiara has all the programme capability and features of the 425 Diadem but without ..
£53.64
Ex Tax: £44.70
The electrisaver is a simple push button electronic timer that saves energy by remembering to switch..
£23.99
Ex Tax: £19.99
The electrisaver is a simple push button electronic timer that saves energy by remembering to switch..
£23.99
Ex Tax: £19.99
The electrisaver is a simple push button electronic timer that saves energy by remembering to switch..
£23.99
Ex Tax: £19.99
Beanbag is a smart heating and hot water control system equipped with best-in-class features to main..
From £178.80
Ex Tax: £149.00
NEW WHITE COLOUR - STILL DIRECTLY REPLACES OLDER GREY UNITS USING EXISTING BACK BOX A proven reli..
From £67.39
Ex Tax: £56.16
Control Centre: - Can be placed anywhere in the home to detect and control the temperature of an are..
£51.59 £29.99
Ex Tax: £24.99
Replacement actuator for Z222 and Z222XL motorised valve. NOT suitable for other models of Horstm..
£46.48
Ex Tax: £38.73
Replacement actuator for Z322 and Z322XL motorised valve. NOT suitable for other models of Horstm..
£53.60
Ex Tax: £44.67
ZonePlus Z series motorised valves - now completely upgraded. Combine proven electronic controls ..
£42.73
Ex Tax: £35.61
ZonePlus Z series motorised valves - now completely upgraded. Combine proven electronic controls ..
£62.52
Ex Tax: £52.10
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Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2970 merchant reviews

4.90 / 5 Rating
2970 Reviews
Items arrived well packed and intact. Exactly what I'd ordered.
Very prompt service. The product was exactly as described.
Good efficient service and controller works perfectly albeit the operating instructions are difficult to understand