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ProWarm Water Underfloor Heating - Standard Output

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Was
£449.99
From £449.99
Now £449.99
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
In stock, ready to be shipped
Compare thermostats

Compare thermostats

Heatmiser DS1 Central Heating Dial Thermostat
Heatmiser DS1 Central Heating Dial Thermostat
  • Electronic dial control
  • Power & heat indicators
  • Modern sleek design
  • Precise temperature adjustment
  • Built-in air sensor

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ProWarm™ ProTouch-2 WiFi Touchscreen Thermostat
ProWarm ProTouch-V2 Touchscreen Thermostat
  • Open window detection
  • Energy-efficient programming
  • Intuitive touchscreen display
  • Advanced heating modes
  • Lifetime warranty

Available in both black and white

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ProWarm™ ProTouch-W WiFi Smart Thermostat
ProWarm ProTouch-W WiFi Smart Thermostat
  • WiFi wireless control
  • Easy-to-use app
  • 7-day programmable schedule
  • Optimal start function
  • Lifetime warranty

Available in both black and white

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ProWarm Water Underfloor Heating - Standard Output
From
Was
£449.99
From £449.99
Now £449.99
David , Allen and 400,000+ others love our products!
Fast & Reliable Delivery

Want it before Thu 1 May?

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Lifetime Warranty

Lifetime Warranty

Stay warm with our industry-leading warranty

Description

Discover the comfort and energy savings of ProWarm Water Underfloor Heating Kits – the industry-leading solution for homeowners and professional installers seeking premium performance, long-term reliability, and unbeatable value. Whether you're renovating a single room or upgrading your entire home, ProWarm delivers consistent warmth from the ground up.

Why Choose ProWarm Water Underfloor Heating?

  • Optimised for Performance – Each kit delivers a high-efficiency output of 115W/m² (based on 250mm pipe spacing), ideal for single rooms like living rooms, kitchens, bathrooms, or bedrooms.
  • Designed for Single Rooms – ProWarm single room water underfloor heating kits are tailored to specific floor areas for precision heating with no waste.
  • Complete Water-Based Underfloor Heating System – Each kit includes everything required for a professional installation - no surprises, no missing parts.
  • Built to Last – Supplied with WRAS-approved Pert-Al-Pert pipe that meets strict European standards. The integrated aluminium core prevents oxygen ingress and protects your system from corrosion.
  • Precision Water Temperature Control – Integrated temperature control ensures reliable, comfortable warmth while minimising energy use.
  • Backed by a Lifetime Warranty – We stand behind our underfloor heating systems with a full lifetime guarantee for total peace of mind.

What’s Included in Your ProWarm Kit

Everything you need to install a reliable, energy-efficient water underfloor heating system in one room:

  • Grundfos Temperature or Mixing Unit
    • UPM3 Constant Temperature Unit (for areas up to 30m²)
    • UPM3 Manifold Pump & Mixing Valve (for areas 37–100m²)
  • Stainless Steel Manifold (2–4 Port) – Pre-assembled with flow meters, isolation valves, and wall mounting brackets.
  • ProWarm 16mm Pert-Al-Pert Pipe – High-quality multilayer pipe with an integrated oxygen barrier for durability and maximum heat transfer.
  • Edge Insulation – Reduces heat loss at room boundaries and allows floor expansion.
  • Essential Installation Tools – Includes pipe cutters, pipe re-rounding tool, and pipe staples to make installation quick and professional.
  • Optional Thermostat – Add a smart thermostat for enhanced temperature control and energy efficiency.

Water Underfloor Heating Made Simple

ProWarm makes water underfloor heating easy to install, affordable to run, and incredibly effective. Whether you're a DIY enthusiast or a professional installer, our kits offer the perfect balance of performance, quality, and ease of use.

Say goodbye to cold floors and hello to year-round comfort with ProWarm – the UK's most trusted name in water underfloor heating systems.

Product code: WATERKIT12M2NOSTAT

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This table shows exactly what you'll get in the box based on your chosen kit size.


Specifications
Features Values Testing Methods
Material

Crosslinked polyethylene PE-RT internal layer, internal bonding layer, intermediate aluminium layer, external bonding layer, high density polyethylene PE-RT external layer.

-
Colour White
-
Dimensions 14÷32 mm -
Application Hot and cold potable water distribution, convector and radiator heating systems, radiant heating and air cooling systems, compressed air distribution systems, industrial installations. -
Fittings Pexal Brass, Bravopress and Pexal Twist -
Minimum operating Temperature(1) -60°C -
Maximum temperature 90°C EN ISO 21003-1
Maximum Pressure 10 bar EN ISO 21003-1
Density at 23°C > 0.950 g/cm3 (crosslinked polyethylene) -
Softening temperature 135°C -
Thermal expansion coefficient 0.023-0.025 mm/m.K -
Thermal conductivity 0.43 W/m.K -
Internal roughness 0.007 mm -
Oxygen permeability 0 mg/l -
UV Resistance Yes, if protected with UV-resistant paint -
Halogen levels Halogen-free -

(1) At any rate above the freezing temperature of the transported fluid.

The ProWarm Water Underfloor Heating Kit is WRAS approved. WRAS approval demonstrates it is of a suitable quality and standard against the Water Supply (Water Fittings) Regulations and Water Supply (Water Fittings) (Scotland) Byelaws, provided it is installed and used in accordance with the installation and requirement notes and any other restrictions within the approval. Any water fitting, which when installed, will carry or receive water from the public mains water supply in the UK, must comply with these regulations. They require that a water fitting should not cause waste, misuse, undue consumption or contamination of the water supply and must be ‘of an appropriate quality and standard’. To learn more about compliance, visit: WRAS approvals.

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  • Was
    £449.99
    £449.99
    Now £449.99
  • Was
    £164.79
    £164.79
    Now £164.79
  • Total price
    £614.78
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    Let our experts help you

    Product Question? Need help placing an order?

    Our customer support is available Monday to Friday 7am-6pm.

    Call us on 01268 567 016
    Email sales@theunderfloorheatingstore.com

    Call our experts on 01268 567016 or message us on live chat for help!

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    Fast & reliable delivery

    At The Underfloor Heating Store, we strive to make every step of your order as easy and convenient as possible, from finding the right underfloor heating setup to best suit you to taking delivery of your system the very next day.

    We're proud to offer a range of delivery options to suit you:

    • 2-3 working days delivery
    • Next working day (Order before 4pm Monday - Friday)
    • Next working day before 12 noon (Order before 4pm Monday - Friday)
    • Saturday delivery (Order before 4pm Friday)
    • Free collection from our Basildon warehouse in Essex, learn more about Click & Collect

    For delivery prices, please refer to checkout.

    Explore our full delivery policy

    30 days returns policy

    At The Underfloor Heating Store, our customers have 30 days to upgrade, replace or refund their orders.

    Returns

    At The Underfloor Heating Store, we want to ensure you are happy with every purchase you make. If you have any issues with your chosen product, whether damaged, faulty or simply an unwanted item, you can simply return what you bought for a refund. Learn more.

    Replacements

    We take great care in the delivery of all of our products, however, in the event of your delivery arriving damaged or if you notice a manufacturing fault of any kind within 48 hours of delivery, you're within your rights to a replacement. Learn more.

    Upgrades

    Within 14 days of purchasing from us, you are eligible to upgrade if you deem you want something a little better. Simply send it back to us brand new and we'll happily assist you with an upgrade to your order. Learn more.

    Lifetime warranty

    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, with a lifetime warranty for our ProWarm range of products.

    Our warranties are designed to give you peace of mind and ensure that your underfloor heating system operates reliably for years to come.

    Find out more

    We'll beat any price

    At The Underfloor Heating Store, our main priority is customer satisfaction. To cement our commitment to this, we are proud to offer our Underfloor Heating Price Match Promise. If you find a lower price on an identical product anywhere else, we will match it – guaranteed!

    Discover our promise