FastWarm® ThermoDeck Multi Zone Water Underfloor Heating Kits are designed to provide a lowultra low profile retro fit installations above joisted floors in multiple zones in whole home renovations and new builds. Allowing for individual room control using multiple thermostats for each system to set different temperatures and times accordingly.
FastWarm® ThermoDeck 22mm chipboard is grooved at 150mm centres to accept 16mm pipe and factory fitted with a 100-micron foil covering for even heat distribution suitable for applications over a suspended / joisted floor providing minimal floor build up.
Once installed FastWarm® ThermoDeck needs to be covered with a minimum of 6mm ply to provide a solid subfloor to finish the room with you desired floor finish.
Each system is designed based on 20m2 per zone and one controller per zone.
For example – 80m2 = 4 zones = 4 thermostats. For bespoke systems please contact sales@fastwarm.com
FastWarm® ThermoDeck Multi Zone Water Underfloor Heating systems are the homeowner and installers perfect choice as each kits comes complete with everything you need in a box with a multiple of different choice of thermostat control. Systems come with an easy-to-follow installation guide and all pipework comes with lifetime (50yr) guarantee. FastWarm® also has a fully qualified technical support team available for on-site queries.
These Multi zone water underfloor heating kits are designed to cover the m2 in pipework when fitted into the grooves provided NB. Pipe is not provided to get to and back from the heat source.
FastWarm® Water Kits include FastWarm® branded products, from pipework, pump, thermostats, manifolds etc as to ensure that seal of quality and approval and reassure the lifetime guarantee that comes with FastWarm® systems. There are many similar systems on the market that are simply unbranded or OEM parts.
Fastwarm® ThermoDeck Multi Zone kits include the following: -

FastWarm® ThermoDeck
For use with 12mm Pipe

Fastwarm® PEX AL PEX 12mm Pipework
Includes 50 year lifetime guarantee

Fastwarm® Manifold
Size varies depending on m2 coverage

Grundfos A Rated Pump & Mixing Valve Unit
The compact T4 thermostatic 4-port pump set is suitable for a maximum output of 18kW.

Choice of Thermostat
We have several thermostats available to fit your budget and lifestyle.

Wiring Centre
4 or 8 zone dependant on size.

Thermal Actuators
To control each zone independently.

Fastwarm® Pipe Cutter
Suitable for PVC, PP, PPR and PE pipe. Ideal for fitting MDPE and PEX pipes. Cutting capacity 36mm.
Kit Content Comparison Table
This table shows exactly what you'll get in the box based on your chosen kit size.
| Kit Size (m2) | 40 | 60 | 80 | 100 |
|---|---|---|---|---|
| Pipe Length (m) | 320 | 480 | 640 | 800 |
| Isolation/Ball Valve | ||||
| Eurocones (12mm) | 8 | 12 | 16 | 20 |
| ThermoDeck | 31 | 46 | 62 | 77 |
| Fill & Drain Valves | ||||
| Manifold Pump & Mixing Valve Unit | ||||
| Manifold Ports | 4 | 6 | 8 | 10 |
| Pipe Cutters | ||||
| Pipe Rounding Tool | ||||
| Thermal Actuator | 4 | 6 | 8 | 10 |
| Thermostats | 2 | 3 | 4 | 5 |
| 10 Port Wiring Centre |
- Material
- Fastwarm ThermoDeck is made of P5 Tongue and Grooved 22mm chipboard, factory fitted with a 100 micron foil high-density particleboard with a minimum thickness of 12mm. Each board is 2400mm x 600mm x 22mm covering an area of 1.44m2.
- Groove Design
- Fastwarm ThermoDeck precision-machined grooves running along the length of the panel at regular intervals suitable for the underfloor heating system. The grooves spaced at 150mm centres with an integrated loop to provide maximum floor coverage and even heat distribution.
- Surface Finish
- Fastwarm ThermoDeck must be covered with a minimum of 6mm ply to ensure correct installation. Above this surface your desired floor finish can be installed such as laminate or engineered woods, tiles, LVT (vinyls) and low tog underlay and carpets (2.5TOG max).
- Compatibility
- Fastwarm ThermoDeck panels are compatible with 12mm underfloor heating pipework, ensuring easy installation and optimal performance when used in conjunction with such systems.
- Installation Guidelines
- Clear installation guidelines shall be provided by the manufacturer to ensure proper handling, placement, and fixing of Fastwarm ThermoDeck panels, considering best practices for underfloor heating installations.
Heatmiser DS1 Manual Thermostat
- Power On & Heat On Indication
- Modern Apperance
- Easily increase or decrease the required temperature
- Variable Switching Differential
- Outputs: Volt free 3A Max
| Dimensions | 92mm x 92mm x 34mm |
|---|---|
| Mounting | Surface mounting |
| Load | 230v |
Heatmiser Slimline Thermostat
- Large Display
- 5/2 Day or 7 Day Programming
- Self Learning Optimum Start
- 4 Comfort Levels per Day
- Temperature Hold Facility
- Holiday Facility
- Automatic Blue Back-Lit Display (Turns off after 30 seconds)
- Flush Mounting
- °C/°F Selectable
- Key Locking
- Frost Protection
- Remote Control Option
| Dimensions | 98mm x 85mm x 13mm |
|---|---|
| Mounting | Flush mounted |
| Load | 12v - volt free 3A Max |
Heatmiser NeoStat Thermostat
- Stunning design incorporating soft touch keys
- Non Programmable, 5/2 Day, 7 Day & 24 Hour programming modes
- Air, Air & Floor & Floor only sensing modes
- 5 minute program intervals
- Self learning optimum start
- 4 comfort level/ Times per day
- Holiday facility
- Automatic blue back light (turns off after 30 secs)
- Flush mounting
- °C/°F selectable
- Key Code facility
- Frost protection
Fastwarm Wifi
The Fastwarm Smart Wifi Thermostat is used to control your Electric underfloor heating system.
This Thermostat pairs to your home WIFI using an application which is available from both Android and IOS platforms.
Once paired, you will be minimising energy use as well as having your home remain at a comfortable temperature.
- WIFI Control
- Programmable
- Professional design
- Hold function
- Floor Temperature Limitation
- Power Consumption Monitor (APP)
- Large Screen
| IP rating | IP21 |
|---|---|
| Max Load | 3A |
| Supply voltage | 230v |
Delivery Options
2-3 working day delivery
Next working day
Next working day before 10:30
Saturday Delivery
Delivery cut off times
Our daily cut-off time for dispatch is 4:30pm Monday–Thursday and 4:00pm on Fridays. Orders placed before the cut-off time will be dispatched for next working day delivery (if this option is selected). Orders placed after 4:00pm on Friday will be dispatched on Monday for Tuesday delivery.
Bank holidays may affect these delivery times, so please contact our team if unsure on 01268 744 479
Other Delivery Options
PRE-10:30AM and Saturday Delivery services are available, but orders must be placed before the relevant cut-off times.
NOTE: All orders placed on a Friday will be delivered on the following Monday (unless its a bank holiday), unless a Saturday Delivery service is selected and paid for before the 4:00pm Friday cut-off.
Delivery outside the UK
Delivery outside mainland UK may be arranged by prior agreement. You will be advised of the delivery charge before dispatch, at which point you can decide whether you wish to proceed with your order.
Important: Our deliveries rely on third party couriers, so, whilst we make every effort to deliver your order on the specified date and time, unfortunately there may be occasions when this will not be possible due to external influences. Due to this we strongly recommend you ensure you have received your order before any tradespeople/builders are scheduled to commence work.
Still Unsure? Talk to an expert
If you need any guidance or further information our highly experienced team are on hand to help.
Get in touch using our contact form or give us a call on 01268 744 479.
