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Flex Loose Laid Underfloor Heating Cables 10W

View all Electric Underfloor Heating

Lifetime Warranty
Flex Loose Laid Underfloor Heating Cables 10W
Flex Loose Laid Underfloor Heating Cables 10WFlex Loose Laid Underfloor Heating Cables 10W
Flex Loose Laid Underfloor Heating Cables 10W
Product CodeCable LengthWattageCoveragePriceStockQty
Harmoni - SmartFlex Under Tile Loose Laid Cable, 50WHMFX050
QF #: 16397
5 m
50 W
0.25-0.5m²
£15.50£18.60
ex VATinc VAT
78
Cable Length5 m
Wattage50 W
Coverage0.25-0.5m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 100WHMFX100
QF #: 16398
10 m
100 W
0.5-1m²
£18.82£22.58
ex VATinc VAT
74
Cable Length10 m
Wattage100 W
Coverage0.5-1m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 200WHMFX200
QF #: 18362
20 m
200 W
1-2m²
£29.43£35.32
ex VATinc VAT
Out of Stock
Due in soon
Cable Length20 m
Wattage200 W
Coverage1-2m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 300WHMFX300
QF #: 16400
30 m
300 W
1.5-3m²
£32.50£39.00
ex VATinc VAT
4
Cable Length30 m
Wattage300 W
Coverage1.5-3m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 400WHMFX400
QF #: 16401
40 m
400 W
2-4m²
£39.60£47.52
ex VATinc VAT
Out of Stock
Due in 30 Jul
Cable Length40 m
Wattage400 W
Coverage2-4m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 600WHMFX600
QF #: 16402
60 m
600 W
3-6m²
£46.66£55.99
ex VATinc VAT
39
Cable Length60 m
Wattage600 W
Coverage3-6m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 800WHMFX800
QF #: 16403
80 m
800 W
4-8m²
£64.47£77.36
ex VATinc VAT
80
Cable Length80 m
Wattage800 W
Coverage4-8m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 1000WHMFX1000
QF #: 16404
100 m
1000 W
5-10m²
£71.12£85.34
ex VATinc VAT
67
Cable Length100 m
Wattage1000 W
Coverage5-10m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 1200WHMFX1200
QF #: 16405
120 m
1200 W
6-12m²
£84.77£101.72
ex VATinc VAT
1
Cable Length120 m
Wattage1200 W
Coverage6-12m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 1400WHMFX1400
QF #: 16406
140 m
1400 W
7-14m²
£96.72£116.06
ex VATinc VAT
7
Cable Length140 m
Wattage1400 W
Coverage7-14m²
Harmoni - SmartFlex Under Tile Loose Laid Cable, 1600WHMFX1600
QF #: 16407
160 m
1600 W
8-16m²
£109.80£131.76
ex VATinc VAT
92
Cable Length160 m
Wattage1600 W
Coverage8-16m²
Harmoni 25 Programmable Thermostat140G0052
QF #: 8298
£38.32£45.98
ex VATinc VAT
503
Harmoni Pro-E White Wi-Fi Thermostat - 16 AmpPRO-E-W-16
QF #: 22428
£58.29£69.95
ex VATinc VAT
Out of Stock
Due in 17 Jun
Harmoni Pro-E Black Wi-Fi Thermostat - 16 AmpPRO-E-B-16
QF #: 22430
£58.29£69.95
ex VATinc VAT
99
Harmoni Touch-E White Wi-Fi Thermostat - 16 AmpTOUCH-W-16
QF #: 22432
£74.99£89.99
ex VATinc VAT
163
Harmoni Touch-E Black Wi-Fi Thermostat - 16 AmpTOUCH-B-16
QF #: 22433
£74.99£89.99
ex VATinc VAT
128

The Harmoni loose-laid cable system provides a flexible and easy under tile heating solution for any floor size or shape. Harmoni Flex is suitable for use beneath most floor types such as ceramic and porcelain tiles, limestone etc. Its thin heating element keeps floor depth to a minimum.

Product downloads

Harmoni 25 Datasheet

File Size: 292.00 KB

Harmoni 25 Installation Guide

File Size: 760.16 KB

Harmoni Commissioning Record

File Size: 255.76 KB

Harmoni Flex Data Sheet

File Size: 688.54 KB

Harmoni Flex Manual

File Size: 2.40 MB

Harmoni Installer Warranty

File Size: 761.86 KB

Harmoni Lifetime Warranty

File Size: 760.19 KB

SmartFlex data sheet

File Size: 746.97 KB

Product reviews

4.9100% Positive (11 reviews)

Ratings based on data collected by third party reviewing platform.

5
91%
4
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3
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Excellent

Trusted Customer
22 March 2025 09:44

Bought Wi-fi Pro-e version which arrived promptly next working day with tracking updates until I received within 1 hour delivery slot.
Pro-e replaced my basic programmable 25 model that had given up working after 8 years. Quick 30 minutes for electrician to replace, test and commission new Wi-fi Pro-e.
App download and set up easy too and fully working electric underfloor heating again.

We are incredibly grateful that you took the time out to leave us a 5-Star review.

Excellent

John Wood
28 November 2023 08:20

Very smart looking . Not fitted yet

Excellent

Jon Ellis, Huddersfield
11 November 2023 14:09

Good quality short length loose cable
Ideal for small areas

Excellent

Jon Ellis, Huddersfield
11 November 2023 14:09

Good quality easy to use easy to install

Excellent

Lukasz, London
4 November 2023 08:47

Good product. Simple to use.

Excellent

Louis Charalambous
15 June 2023 09:22

Connect to your app 2 rooms in one app.

Excellent

Trusted Customer
16 September 2022 12:34

Good quality cable, fits well wit the durable mat

Excellent

Graham Baggott
8 July 2022 22:38

Great value for money 💴 is the

Excellent

Graham Baggott
8 July 2022 22:38

Great value for money worth a try

Excellent

David Turner
28 September 2021 07:56

easy to use great system very versatile