Category: Technical information associated with Raychem Underfloor
Heating Product Selection
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Tyco Thermal Controls (UK) Ltd - Raychem T2 Raychem Underfloor
Heating - Product Selection
Determining Correct Power Output
Select the right floor heating system for your application from the
table below.

*Must be suitable for floor heating (maximum resistance to heat transfer
0.15 W/M²)
Determining Correct Power Output

Determining Correct Quantity
T2Red
1. Select the required power output and required cable length per m²
The table below shows the spacing and required cable length per m² and
the spacing between the cables. The power output gives approx. 20 - 25°C
(depending on the subfloor construction). For a higher power output,
contact your TTC representative.
2. Multiply the cable length / m² by the total floor surface (m²)
Example: Renovation of bathroom 5m² with tile floor
1. Select ‘15mm cover plus tiles’
2. Select ‘80 W/m²’ – 7m cable needed / m². Spacing between two cable
runs is 140mm
3. Required cable length = 7 x 5 = 35m T2 Red heating cable + 2m for
connection in junction box = 37m

T2Reflecta
1. Select required power output & required T2Red cable length per m²
The table below shows the required spacing and cable length per m² and
the spacing between the cables. The power output gives approx. 20-25°C.
2. Determine the required number of T2 Reflecta insulated plates
One T2Reflecta insulated plate package covers 3.04m².
It consists of 10 T2Reflecta plates (700 x 400mm) and six reversible
plates (100 x 400mm).
Example: Entrance hall of 5m² with wooden floor
1. Select ’70 W/m²’ power output – 10m T2Red cable
Spacing between two cable runs is 100mm
2. Number of T2Reflecta insulated plates
= 5 ÷ 3.04 = 1.6 – 2 packs

*Must be suitable for floor heating (maximum resistance to heat transfer
0.15 W/M²)
T2QuickNet
T2 QuickNet is available in ready-made kits. All T2QuickNet-90 kits
include heating mat with pre-attached cold lead cable, thermostat with
sensor and complete installation instructions.
For larger areas, a package of 10m² is available without thermostat
which can be combined with a kit with thermostat.
T2QuickNet -160w/m² kits are also available with extension kits (without
thermostats).
Calculate the total surface (m²) and select the T2QuickNet mat with a
smaller surface area closest in size.
Example: Renovation of bathroom (9.9m²) with tile floor. Select
T2QuickNet pack for 9m².

T2Blue
The Robust T2Blue floor heating cables are configured in accordance
with the exact heat requirement of the room or zone. Please consult Tyco
Thermal Controls for specific design support.
Electrical Protection

The IEE guidelines are to be generally observed. An earth leakage
current protection switch (30mA, 100ms) is required.
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