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Harmoni - SmartFlex Under Tile Loose Laid Cable, 400W

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

Harmoni - SmartFlex Under Tile Loose Laid Cable, 400W
Harmoni - SmartFlex Under Tile Loose Laid Cable, 400WHarmoni - SmartFlex Under Tile Loose Laid Cable, 400W
Harmoni - SmartFlex Under Tile Loose Laid Cable, 400W
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: 16401
Part Code: HMFX400
Weight: 1.10 Kg

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This product is currently awaiting on stock arrival and due in around 26th June 2025.

This product is currently awaiting on stock arrival and due in around 26th June 2025.

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

Free Delivery Available*
£39.60 ex VAT
£47.52 inc VAT
£47.52 inc VAT
£39.60 ex VAT
Stock Available: 0 Units

Selected Total: £0.00

    • + £45.98
    • + £80.83
    • + £66.98
    • + £70.96
    • + £46.50
    • + £49.96
    • + £99.98
    • + £92.99
    • + £92.99
    • None
    • + £69.11
    • + £73.72
    • + £39.00
    • None
    • + £99.49
    • + £97.66
    • + £97.66
    • + £104.99
    • + £104.99
    • None
    Qty

    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 Length40 m
    Cable Thickness4 mm
    Cables or KitsCable Only
    Cold Tail4m
    Coverage2-4m²
    FeaturesTiled Finished Floors
    Length40 m
    Lifetime WarrantyYes
    ModelHarmoni SmartFlex Cable 400W
    Screen100% aluminium screen + bi-conductor
    Tensile Strength120Nm
    Thermostat ChoiceCable Only
    Wattage400 W

    Product options

    Harmoni - SmartFlex Under Tile Loose Laid Cable, 50W
    (6 reviews)
    £15.50£18.60
    Quick Find: 16397
    Part Code: HMFX050
    79 units available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 100W
    (6 reviews)
    £18.82£22.58
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    Part Code: HMFX100
    76 units available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 300W
    (6 reviews)
    £32.50£39.00
    Quick Find: 16400
    Part Code: HMFX300
    17 units available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 600W
    (6 reviews)
    £46.66£55.99
    Quick Find: 16402
    Part Code: HMFX600
    48 units available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 800W
    (6 reviews)
    £64.47£77.36
    Quick Find: 16403
    Part Code: HMFX800
    82 units available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1000W
    (6 reviews)
    £71.12£85.34
    Quick Find: 16404
    Part Code: HMFX1000
    70 units available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1200W
    (6 reviews)
    £84.77£101.72
    Quick Find: 16405
    Part Code: HMFX1200
    1 units available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1400W
    (6 reviews)
    £96.72£116.06
    Quick Find: 16406
    Part Code: HMFX1400
    9 units available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 1600W
    (6 reviews)
    £109.80£131.76
    Quick Find: 16407
    Part Code: HMFX1600
    98 units available
    Harmoni SmartFlex Cable - Under Tile Loose Laid Cable, 1800W
    (6 reviews)
    £135.59£162.71
    Quick Find: 14408
    Part Code: HMFX1800
    70 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2000W
    (6 reviews)
    £142.24£170.69
    Quick Find: 14186
    Part Code: HMFX2000
    35 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2200W
    (6 reviews)
    £155.89£187.07
    Quick Find: 14187
    Part Code: HMFX2200
    2 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2400W
    (6 reviews)
    £169.54£203.45
    Quick Find: 14188
    Part Code: HMFX2400
    1 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2600W
    (6 reviews)
    £181.49£217.79
    Quick Find: 14189
    Part Code: HMFX2600
    2 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 2800W
    (6 reviews)
    £194.16£232.99
    Quick Find: 14190
    Part Code: HMFX2800
    4 units available
    Harmoni SmartFlex Cable Kit - Under Tile Loose Laid Cable, 3000W
    (6 reviews)
    £213.36£256.03
    Quick Find: 14191
    Part Code: HMFX3000
    23 units available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 200W
    (6 reviews)
    £29.43£35.32
    Quick Find: 18362
    Part Code: HMFX200
    Stock alerts available
    Harmoni - SmartFlex Under Tile Loose Laid Cable, 400W
    (6 reviews)
    £39.60£47.52
    Quick Find: 16401
    Part Code: HMFX400
    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
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    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

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    More from the Flex range

    Harmoni - SmartFlex Under Tile Loose Laid Cable, 300W
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    Harmoni - SmartFlex Under Tile Loose Laid Cable, 800W
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