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1 to 7 of 7 products for

3 Wire Thermostat

  1. horstmann hrt3
    Horstmann HRT3 Mechanical Room Thermostat
    Bi-metallic. Features: 3-Wire Installation; Mechanical; Frost Protection; Energy Saving Trust Approved; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: SPST IP20. 10A. H x W x D: 80 x 80 x 35mm. Fits British Gas standard 6-pin backplate.
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    £9.99
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  2. horstmann hft4
    Horstmann Hortsmann HFT4 Mechanical Room Thermostat
    Mains powered frost thermostat. Override facility. EN 60730-2-9. Features: 2-Wire Installation; Mechanical; Frost Protection; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temperature range: 0-20C. H x W x D: 86 x 86 x 36.25mm. Fits 6-way backplate.
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    £23.99
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  3. horstmann hrt4-b
    Horstmann HRT4-B Digital Room Thermostat
    Powered by standard batteries. Electronic sensing element. Override facility. EN 60730-2-9. Features: Digital Display; 3-Wire Installation; Pre-Set Programmes; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temp. range: 5-30C. H x W x D: 86 x 86 x 36.5mm. Fits 6-way backplate. 2 x AAA batteries supplied.
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    £34.99
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  4. horstmann as2
    Horstmann AS2 Room Thermostat
    Electronic sensing element. 2-wire installation. Override facility. Automatic BST/GMT time change. EN60730-1:1995 and EN 60730-2-9:2002. Features: Digital Display; 3 On/Off Periods per day; 5 / 2 Day Programmable; Braille Markings; 2 Year Manufacturer's Guarantee; 2-Wire Installation; Frost Protection. Specifications: Switch/contact rating: SPDT. IP30. 3A. Temp. range: 5-30C. H x W x D: 90 x 120 x 32mm. 3 x AA batteries supplied.
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    £63.52
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  5. horstmann centaurstat room thermostat
    Horstmann Centaurstat 7 Room Thermostat
    Electronic sensing element. 2-wire installation. Override facility. BS EN 60730-2-9:1995. Features: Digital Display; 3 On/Off Periods per Day; 7 Day Programmable; 2 Year Manufacturer's Guarantee; 2-Wire Installation. Specifications: Switch/contact rating: SPDT. IP30. 8A. Temp. range: 6-30C. H x W x D: 71 x 142 x 30mm. 3 x AA batteries supplied.
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    £31.59
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  6. horstmann hrt4-zw
    Horstmann Hortsmann HRT4-ZW Wireless Room Thermostat
    Battery powered. Override facility. EN 60730-2-9. Features: Digital Display; 2-Wire Installation; Digital; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temperature range: 5-30C. H x W x D: 86 x 86 x 36.25mm. 30mm straightline transmitter. Fits 6-way backplate. 2 x AAA batteries supplied.
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    £74.65
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  7. horstmann htt4
    Horstmann Hortsmann HTT4 Mechanical Tamper-Proof Room Thermostat
    Mains powered, tamper-proof room thermostat. Override facility. EN 60730-2-9. Features: 2-Wire Installation; Mechanical; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temperature range: 10-30C. H x W x D: 86 x 86 x 36.25mm. Fits 6-way backplate.
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    £26.65
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  8. Additional items that match your search
  9. horstmann e15
    Horstmann E15 Boost Timeswitch
    3-wire installation. Override facility. Boost control. BS EN 60730-2-7:1995. Features: 2 Year Manufacturer's Guarantee; Immersion Heaters; Oil-Filled Radiators; Towel Rails; Panel Heaters. Specifications: Switching/contact rating: 13A. Maximum load: 3kW. H x W x D: 87 x 87 x 16mm.
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    £26.99
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  10. horstmann economy quartz timeswitch
    Horstmann Economy 7 Quartz Timeswitch
    2-wire installation. Override facility. Boost control. EN 60730-1: 91+ A1, 11 and EN 60730-2-7:91+A11, A12. Features: 1 On/Off Period per Day; 1 Preset Programme; 24 Hour Programmable; 2 Year Manufacturer's Guarantee. Specifications: Switching/contact rating: 13A. Max. load: 3kW. H x W x D: 115 x 170 x 56mm.
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    £66.99
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  11. horstmann c27
    Horstmann Centaurplus C27 Programmer
    Separate timing. 3-wire installation. Override facility. Boost function. BS 60730-2-7, EN 50081-1 and EN 50082-1. Features: 7 Day Programmable; 26 Pre-Set Programmes; Digital Display; 3 On/Off Periods per Day; Suitable for Gravity-Fed & Pumped Systems; 2 Year Manufacturer's Guarantee; 3 Wire Installation; Battery Back-Up; Energy Saving Trust Approved. Specifications: Switching/contact rating: 3A. H x W x D: 84 x 150 x 29mm. Backplate fit: 6-way (included). Also suitable for underfloor heating.
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    £31.99
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  12. horstmann h47
    Horstmann Channelplus H47 Programmer
    Separate timing. 3-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. EN 60730-1:2001 and EN 60730-2-7:1992. Features: 7 Day Programmable; 256 Preset Programmes; Digital Display; 3 On/Off Periods per Day; Suitable for 4-Zone Systems; 5 Year Manufacturer's Guarantee; 3 Wire Installation; Backlit Display; Battery Back-Up. Specifications: Switching/contact rating: 3A. H x W x D: 101 x 163 x 37mm. Backplate fit: 9-way included. Suitable for underfloor heating.
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    £138.99
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  13. horstmann c17 timeswitch
    Horstmann C17 Timeswitch
    3-wire installation. Override facility. Boost control. BS EN 60730-2-7:1995. Features: Digital Display; 3 On/Off Periods per Day; 4 Pre-Set Programmes; 7 Day Programmable; 2 Year Manufacturer's Guarantee; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 3A. Max. load: 1kW. H x W x D: 84 x 150 x 29mm.
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    £25.19
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  14. horstmann 425 tiara programmer
    Horstmann 425 Tiara Programmer
    Common timing. 3-wire installation. Override facility. BS EN 60730-2-7:1992 and 8182 / 8319, BS EN 50081-1 & BS EN 50082-1:1992. Features: 24 Hour Programmable; 26 Pre-Set Programmes; 2 On/Off Periods per Day; Suitable for Gravity-Fed & Pumped Systems; 2 Year Manufacturer's Guarantee; 3-Wire Installation; Energy Saving Trust Approved. Specifications: Switching/contact rating: 6A. H x W x D: 112 x 153 x 33mm. Backplate fit: 9-way (included). Not suitable for underfloor heating.
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    £30.99
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  15. horstmann e30
    Horstmann E30 Boost Timeswitch
    3-wire installation. Override facility. Boost control. BS EN 60730-2-7:1995. Features: 2 Year Manufacturer's Guarantee; Heating Extension Timer. Specifications: Switching/contact rating: 13A. Max. load: 3kW. H x W x D: 87 x 87 x 16mm.
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    £26.99
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  16. horstmann hrfs1
    Horstmann HRFS1 Programmable Room Thermostat
    Electronic sensing element. Wireless. Override facility. Features: Digital Display; 5 On/Off Periods per Day; 5 / 2 Day Programmable; 2 Year Manufacturer's Guarantee; Frost Protection; Wireless. Specifications: Switch/contact rating: SPDT. IP30. 8A. Temp. range: 10-35C. H x W x D: 116 x 100 x 23.5mm. 2 x AA batteries supplied. 100m straight line transmitter range.
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    £59.99
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