Rated Excellentbased on 718 reviews
01473 559079Open 8:00am-5:00pm Mon to Fri

01473 559079Sales advice & customer services

Mon:
Tue:
Wed:
Thu:
Fri:
Sat:
Sun:
08:00 - 17:00
08:00 - 17:00
08:00 - 17:00
08:00 - 17:00
08:00 - 17:00
Closed
Closed
Online contact us formCreate return request
0 ItemsTotal £0.00Total £0.00
Your shopping basket is empty
Welcome
Feefo Customer Reviews
Rated Excellent
For customer service
Google Seller Ratings
Trusted Seller
Shop with confidence
Track Delivery
Secure Next Day Delivery
Fully tracked consignments
PayPal Secure Payments
Speedy checkout with PayPal
The safer, easier way to pay online

Harmoni - SmartFlex Under Tile Loose Laid Cable, 800W

View all Harmoni SmartFlex 10W - Loose Lay Cables for Tiled Floors

Black Friday Sale
Harmoni - SmartFlex Under Tile Loose Laid Cable, 800W
Harmoni - SmartFlex Under Tile Loose Laid Cable, 800WHarmoni - SmartFlex Under Tile Loose Laid Cable, 800W
Harmoni - SmartFlex Under Tile Loose Laid Cable, 800W
5.0(6 reviews)
  • Lifetime warranty
  • Twin conductor heating cable
  • Can be installed within the thickness of tile adhesive
  • Suitable for most floor surfaces

View full description

Quick Find: 16403
Part Code: HMFX800
Weight: 2.10 Kg

This product is currently awaiting on stock arrival and due in soon.

This product is currently awaiting on stock arrival and due in soon.

Backorder now to secure your delivery or sign up to be notified when this product is back in stock.

Free Delivery Available*
£55.89 ex VAT
£67.07 inc VAT
£67.07 inc VAT
£55.89 ex VAT
Was £64.47 save £8.58 (13% off)
Was £77.36 save £10.30 (13% off)
Offer ends on Tuesday 3rd December at 00:01
Stock Available: 100 Units

Selected Total: £0.00

    • + £41.39
    • + £80.83
    • + £69.95
    • + £70.96
    • + £46.50
    • + £49.96
    • + £99.98
    • + £83.69
    • + £83.69
    • None
    • + £69.11
    • + £73.72
    • + £39.00
    • None
    • + £99.49
    • + £109.99
    • + £109.99
    • + £94.49
    • + £94.49
    • None
    Qty

    Estimated delivery: 1 working days

    Day of Choice Delivery Available

    Made To Order This is a made to order product and therefore cannot be returned or cancelled

    Need Help? Free Design Service

    Call 01473 559079 or email us for a bespoke design service for your underfloor heating project FREE

    Learn more

    The Harmoni Flex loose laid cable system provides a flexible and easy under tile heating system 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.

    Technical specifications

    BrandHarmoni
    Cable length80 m
    Cable thickness4 mm
    Cables or kitsCable Only
    Cold tail4m
    Coverage4-8m²
    FeaturesTiled Finished Floors
    Length80 m
    Lifetime warrantyYes
    ModelHarmoni SmartFlex Cable 800W
    Screen100% aluminium screen + bi-conductor
    Tensile strength120Nm
    Thermostat choiceCable Only
    Wattage800 W

    Product options

    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 50W
    (6 reviews)
    Now £13.85£16.62 Was £15.50£18.60
    Quick Find: 16397
    Part Code: HMFX050
    102 units available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 300W
    (6 reviews)
    Now £28.28£33.94 Was £32.50£39.00
    Quick Find: 16400
    Part Code: HMFX300
    86 units available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 400W
    (6 reviews)
    Now £33.75£40.50 Was £39.60£47.52
    Quick Find: 16401
    Part Code: HMFX400
    63 units available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 600W
    (6 reviews)
    Now £44.74£53.69 Was £46.66£55.99
    Quick Find: 16402
    Part Code: HMFX600
    79 units available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 800W
    (6 reviews)
    Now £55.89£67.07 Was £64.47£77.36
    Quick Find: 16403
    Part Code: HMFX800
    100 units available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1000W
    (6 reviews)
    Now £66.88£80.26 Was £71.12£85.34
    Quick Find: 16404
    Part Code: HMFX1000
    102 units available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1200W
    (6 reviews)
    Now £74.15£88.98 Was £84.77£101.72
    Quick Find: 16405
    Part Code: HMFX1200
    12 units available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1400W
    (6 reviews)
    Now £84.62£101.54 Was £96.72£116.06
    Quick Find: 16406
    Part Code: HMFX1400
    25 units available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1600W
    (6 reviews)
    Now £100.00£120.00 Was £109.80£131.76
    Quick Find: 16407
    Part Code: HMFX1600
    108 units available
    Harmoni SmartFlex Cable - Under Tile Loose Laid Cable, 1800W
    (6 reviews)
    £135.59£162.71
    Quick Find: 14408
    Part Code: HMFX1800
    100 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2000W
    (6 reviews)
    £142.24£170.69
    Quick Find: 14186
    Part Code: HMFX2000
    51 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2200W
    (6 reviews)
    £155.89£187.07
    Quick Find: 14187
    Part Code: HMFX2200
    12 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2400W
    (6 reviews)
    £169.54£203.45
    Quick Find: 14188
    Part Code: HMFX2400
    6 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2600W
    (6 reviews)
    £181.49£217.79
    Quick Find: 14189
    Part Code: HMFX2600
    12 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2800W
    (6 reviews)
    £194.16£232.99
    Quick Find: 14190
    Part Code: HMFX2800
    12 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 3000W
    (6 reviews)
    £213.36£256.03
    Quick Find: 14191
    Part Code: HMFX3000
    34 units available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 100W
    (6 reviews)
    Now £17.29£20.75 Was £18.82£22.58
    Quick Find: 16398
    Part Code: HMFX100
    Stock alerts available
    Black Friday Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 200W
    (6 reviews)
    Now £23.54£28.25 Was £29.43£35.32
    Quick Find: 18362
    Part Code: HMFX200
    Stock alerts available

    Product downloads

    Harmoni Commissioning Record
    Harmoni Commissioning Record

    File Size: 255.76 KB

    Harmoni Flex Data Sheet
    Harmoni Flex Data Sheet

    File Size: 688.54 KB

    Harmoni Flex Manual
    Harmoni Flex Manual

    File Size: 2.40 MB

    Harmoni Installer Warranty
    Harmoni Installer Warranty

    File Size: 761.86 KB

    Harmoni Lifetime Warranty
    Harmoni Lifetime Warranty

    File Size: 760.19 KB

    Harmoni Product Brochure 2020
    Harmoni Product Brochure 2020

    File Size: 4.74 MB

    Product reviews

    5.0100% Positive (6 reviews)

    Ratings based on data collected by third party reviewing platform.

    5
    		100%
    4
    		0%
    3
    		0%
    2
    		0%
    1
    		0%
    Sort by
    Show per page
    Page 1 of 1
    Excellent

    Jon Ellis, Huddersfield
    11 November 2023 14:09

    Good quality short length loose cable
    Ideal for small areas

    Excellent

    Lukasz, London
    4 November 2023 08:47

    Good product. Simple to use.

    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

    Other customers also bought

    Flexible Conduit for Floor Sensing Thermostat per Metre
    Flexible Conduit for Floor Sensing Thermostat per Metre
    14
    £1.00£1.20
    Sale
    Harmoni Pro-E White Wi-Fi Thermostat - 16 Amp
    Harmoni Pro-E White Wi-Fi Thermostat - 16 Amp
    2
    £52.46£62.95£58.29£69.95
    Sale
    Harmoni 25 Programmable Thermostat
    Harmoni 25 Programmable Thermostat
    1
    £34.49£41.39£38.32£45.98
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 400W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 400W
    6
    £33.75£40.50£39.60£47.52
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 300W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 300W
    6
    £28.28£33.94£32.50£39.00
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 600W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 600W
    6
    £44.74£53.69£46.66£55.99
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1400W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1400W
    6
    £84.62£101.54£96.72£116.06
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1200W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1200W
    6
    £74.15£88.98£84.77£101.72
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1000W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1000W
    6
    £66.88£80.26£71.12£85.34
    Harmoni SmartFlex Cable - Under Tile Loose Laid Cable, 1800W
    Harmoni SmartFlex Cable - Under Tile Loose Laid Cable, 1800W
    6
    £135.59£162.71

    More from the Flex range

    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 400W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 400W
    6
    £33.75£40.50£39.60£47.52
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 300W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 300W
    6
    £28.28£33.94£32.50£39.00
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 600W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 600W
    6
    £44.74£53.69£46.66£55.99
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1400W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1400W
    6
    £84.62£101.54£96.72£116.06
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1200W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1200W
    6
    £74.15£88.98£84.77£101.72
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1000W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1000W
    6
    £66.88£80.26£71.12£85.34
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1600W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1600W
    6
    £100.00£120.00£109.80£131.76
    Sale
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 100W
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 100W
    6
    £17.29£20.75£18.82£22.58