Skip to content
20% Off Water Underfloor Heating Sale

Huge discounts on our biggest brands for a limited time only, sale ends in...

Shop Now
Days
Hours
Minutes
Seconds
Shop Now
The World's Largest Supplier Of Underfloor Heating
Store opening times Trade Account
Fast & Reliable Delivery
We'll Beat Any Price
Lifetime Warranty
Expert Advice & Support

Warranty Information

Discover the warranties available to you

At The Underfloor Heating Store, we are committed to providing our customers with high-quality products and outstanding customer service. That's why we offer a comprehensive warranty on all of our underfloor heating products. Our warranties are designed to give you peace of mind and ensure that your underfloor heating system operates reliably for years to come.

  • Our non-transferable warranties belong to you as an individual buyer and do not transfer upon selling the product, nor do they transfer when you come to sell your home or venue with the product installed.
  • Proof of warranty will be requested from the customer upon all warranty claims.
  • Warranties do not cover any floor coverings or cost of labour involved.

All of our underfloor heating products come with a warranty that covers defects in materials and workmanship. Both our warranties and the manufacturer warranties varies depending on the product, but typically range from 2 to 10 years. Please see our breakdown below:

ProWarm™ Guarantee

The award-winning brand of underfloor heating

ProWarm™ Electric Underfloor Heating

ProWarm™ are happy to offer a lifetime warranty on all electric underfloor heating mats, cables or thermostats, due to manufacturing defects.

  • Lifetime warranty is only valid when installed by an Approved Electrician in accordance with the latest IEE Wiring Regulations, with an installation confirming to Part P of the Building Regulations 2005.
  • Installation must be in accordance with manufacturers guidelines.
  • Product must be registered online at prowarm.com/register within 28 days of work completion, failure to do so will result in void of guarantee.
  • Warranty is in addition to and supplements your statutory rights, those rights are not affected in any way. If you do not register for the extended warranty within 28 days, the 1 year standard warranty will apply.

ProWarm™ CableSafe™ Guarantee

ProWarm™ exclusively offers a CableSafe™ guarantee that ensures a 'no quibble' exchange on any electric underfloor heating cable that is damaged during installation.

  • Guarantee is only valid if the installation followed the product installation guide.
  • Cut/damaged heating mat/cable must be returned to your retailer within 28 days of purchase, accompanied by your original dated sales invoice.

ProWarm™ Water Underfloor Heating

Our ProWarm™ water underfloor heating systems and products all feature a long-lasting warranty to ensure peace of mind:

  • Pipes - 50 years
  • Thermostats - 25 years
  • Manifolds - 10 years (In order to qualify, all existing systems must be power flushed before connecting underfloor heating system. Inhibitors must be used to prevent corrosion of the heating system)
  • Ball/Fill Valves - 3 years
  • Wiring Centres - 2 years
  • Actuators - 2 years
  • Pumps - 2 years

ProWarm™ Boards

  • Tilebacker Boards - 12 months
  • XPS Insulation Boards -12 months
  • EPS Insulation Boards -12 months

ProWarm™ Wet Room

  • Shower Trays - 12 months

All Other Products

A guarantee for every product we stock!

BAL
    Rapid Mat

    Manufacturer/Supplier Warranty duration

    • 25 years + 10 years anti-fungal if regularly cleaned

    Exclusions

    • Installed with non-BAL adhesives

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Adhesives/Levelling

    Manufacturer/Supplier Warranty duration

    • 25 years

    Exclusions

    • Incorrect use

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Grouts

    Manufacturer/Supplier Warranty duration

    • 25 years

    Exclusions

    • Incorrect use

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
DEVI
    Heating cables and mats

    Manufacturer/Supplier Warranty duration:

    • 10 years

    Exclusions

    • Not registered
    • Installation by non-electricians
    • 3rd party damage
    • Consequential damage

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Other products

    Manufacturer/Supplier Warranty duration

    • 2 years

    Exclusions

    • Not registered
    • Installation by non-electricians
    • 3rd party damage
    • Consequential damage

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Touch thermostat

    Manufacturer/Supplier Warranty duration

    • 5 years

    Exclusions

    • Not registered
    • Installation by non-electricians
    • 3rd party damage
    • Consequential damage

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
Grundfos

    Pump

    Manufacturer/Supplier Warranty duration

    • 2 years

    Exclusions

    • Incorrect use
    • On site damage

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
Heatmiser

    Thermostats, Wiring Centres and Hubs

    Manufacturer/Supplier Warranty duration

    • 2 years

    Exclusions

    • Refunds - replacement, repair or credit only

    Warranty/Duration Offered by Company

    • Manufacturers warranty only (ProWarm-branded thermostats lifetime warranty)
Instarmac

    All products (Ultra-brand Tile Adhesives/Levelling Compounds/Grouts)

    Manufacturer/Supplier Warranty duration

    • The lesser of 10 years or the life of the project. Additional proviso for underlayment materials - until the surface covering is changed or fails.

    Exclusions

    • Instarmac has prepared a written specification and has inspected the proposed application area.
    • Materials have been applied strictly in accordance with the written specification and additional technical datasheets.
    • The application area has not been adversely affected by structural movement, environmental damage, significant change of use, exposure to adverse external elements, corrosive cleaning materials, substrate failure, DPM failure, ground disturbance due to other groundworks or natural wear and tear.
    • Aesthetic appearance of the product has not been affected due to corrosive cleaning, surface contamination or lack of maintenance.
    • Instarmac's personnel are allowed access to the site during preparation and application of the materials and following any claim to allow full access to investigate the issue.
    • Instarmac's materials must be used as a system to include primers and bonding aids when recommended. In the case of a claim, Instarmac reserves the right to use discretion during the assessment.

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
Joule

    Cylinders

    Manufacturer / Supplier Warranty duration

    • 3 years, 5 years if installed by approved Joule installer

    Exclusions

    • Incorrect use
    • Installed outside of UK mainland

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
Lustrolite

    High-gloss Acrylic Panels

    Manufacturer / Supplier Warranty duration

    • 10 years, reducing in value by 10% per year after 3 years

    Exclusions

    • Incorrect installation
    • Consequential damage
    • Removal and installation costs of replacement product

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
Multipipe

    Pipe

    Manufacturer / Supplier Warranty duration

    • 50 years

    Exclusions

    • Incorrect use
    • On site damage

    Warranty/Duration Offered by Company

    • 50 years
Polypipe

    Polyplumb and Polyfit hot and cold water supply and heating systems

    Manufacturer / Supplier Warranty duration

    • 25 years

    Exclusions

    • Not installed in accordance with manufacturer instructions
    • Not within normal domestic setting

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Manifolds

    Manufacturer / Supplier Warranty duration

    • 2 Years

    Actuators

    Manufacturer / Supplier Warranty duration

    • 1 Year

    Pipe

    Manufacturer / Supplier Warranty duration

    • 50 Years

    Wiring Centre

    Manufacturer / Supplier Warranty duration

    • 1 Year

    Thermostats

    Manufacturer / Supplier Warranty duration

    • 2 Years

    Motorised Valves

    Manufacturer / Supplier Warranty duration

    • 2 years
Reliance

    Mixing Valve

    Manufacturer / Supplier Warranty duration

    • 2 years

    Exclusions

    • Incorrect use

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Motorised Valves

    Manufacturer / Supplier Warranty duration

    • 2 years

    Manifolds, Ball Valves and Isolation Valves

    Manufacturer / Supplier Warranty duration

    • 3 years

    Exclusions

    • Incorrect use/installation

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
Rifeing

    Pipe

    Manufacturer / Supplier Warranty duration

    • 50 years

    Exclusions

    • Incorrect use
    • On site damage

    Warranty/Duration Offered by Company

    • 50 years
Samsung

    Air Source Heat Pumps

    Manufacturer / Supplier Warranty duration

    • 3 years if installed by non-Samsung installer.5 years if installed by approved Samsung installer.

    Exclusions

    • Incorrect use
    • Installed outside of UK mainland

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
ThermoFlow

    Manifolds

    Manufacturer / Supplier Warranty duration

    • 2 Years

    Actuators

    Manufacturer / Supplier Warranty duration

    • 1 Year

    Pipe

    Manufacturer / Supplier Warranty duration

    • 50 Years

    Thermostats

    Manufacturer / Supplier Warranty duration

    • 2 Years
Valsir

    Pipe

    Manufacturer / Supplier Warranty duration

    • 50 years

    Exclusions

    • Incorrect use
    • On site damage

    Warranty/Duration Offered by Company

    • 50 years
Warmup

    3iE thermostat, 4iE Smart Wi-Fi Thermostat and Type OTN-1991-WA

    Manufacturer / Supplier Warranty duration

    • 3 years

    Exclusions

    • Incorrect installation
    • Not registered
    • Consequential damages

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Tempo Digital Programmable Thermostat

    Manufacturer / Supplier Warranty duration

    • 3 years

    Exclusions

    • Incorrect installation
    • Not registered
    • Consequential damages

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Foil Heater

    Manufacturer / Supplier Warranty duration

    • 15 years

    Exclusions

    • Not registered within 30 days
    • Not connected to RCD

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Underfloor Heating Inscreed Cable System

    Manufacturer / Supplier Warranty duration

    • 10 years

    Exclusions

    • Incorrect installation
    • Consequential damage

    Warranty/Duration Offered by Company

    • Manufacturers warranty only

    Undertile Heating System, Heating Mat and Heating Loose Wire System

    Manufacturer / Supplier Warranty duration

    • Lifetime of the floor. Installation Guarantee - if the customer makes a mistake and damages the new heater before tiling, Warmup will, if returned within 30 days, replace a pre-tiled heater with another heater of the same make and model for free. If the new heater is damaged during tiling, an engineer will visit free of charge on the first visit to attempt to repair the damaged heater for free.

    Exclusions

    • Not registered within 30 days
    • Not connected to RCD
    • Consequential Damages

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
Various Suppliers

    Miscellaneous Items e.g. Tools/Testing Equipment

    Manufacturer / Supplier Warranty duration

    • 12 months

    Exclusions

    • Incorrect Use

    Warranty/Duration Offered by Company

    • Manufacturers warranty only
Fast & Reliable Delivery
We'll Beat Any Price
Lifetime Warranty
Expert Advice & Support
Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare