RAYCHEM R-BL-C-18M/T0/SD - T2Blue-20 floor heating cable, SZ18300387
Discover the durable and strong RAYCHEM T2Blue-20 20 W/m floor heating cable, specially developed for electric storage floor heating. It is designed for installation in poured concrete, anhydrite screed, screed and concrete foundation slabs. This two-wire cable, powered on one side, comes pre-fabricated with a 2.5-meter cold wire for easy and trouble-free installation. Choose reliability and comfort with RAYCHEM T2Blue-20, a solution built for long-term use.
- Rated power of 20 W/m - Suitable for thicker floors where faster heating time matters.
- Resistance to mechanical damage > 1500 N - Exceptional durability and safety of the heating system.
- Full puncture protection - 100% protective jacket for maximum safety.
- Kit for professionals - Complete solution in one box with easy roll-out system, ready to install.
- Easy installation - Included hot melt adhesive with enhanced adhesion for quick and easy installation.
- Guaranteed quality - Repair of the heating cable in the floor under warranty, along with bringing the floor back to its original condition.
Installation recommendations:
- Screed, concrete screed, anhydrite screed - Sink the heating cable in a layer 30-60 mm thick.
- Foundation slab - Place the cable 40-50 mm from the top layer of the slab.
Package contents:
- Packaging with easy unwinding system.
- Heating cable.
- Fusible adhesive.
- SENZ WIFI thermostat in white frame and wired sensor for measuring floor temperature. (Optional according to the selected variant)
- Floor temperature sensor installation pipe.
- Brass pipe cap.
- Instruction manual with acceptance protocol.
- Information sticker.
Choose the promotional set with the white SENZ WIFI thermostat, which is very popular among our customers.
- All-in-one - Modern RAYCHEM SENZ WIFI thermostat with touch screen.
- Intelligent learning - The thermostat determines for itself when to turn on the heating to reach the desired temperature.
- Protection when ventilating - The open window function prevents the heating from increasing unnecessarily.
- Anti-freeze protection - The heating automatically turns on when the temperature drops below 5℃.
- Vacation mode - With one click, you change the heating mode.
- Floor safety - Thermostat protects against overheating of the floor.
- Warming up new flooring - Ideal for freshly poured concrete floors.
- Energy control - Monitor your energy consumption for the week, month and year.
- Voice control - Works with Google Assistant and Amazon Alexa.
- Smartphone app - Easily control up to 100 thermostats in one app.
- Easy to use - Intuitive menus and app in any European language.
- Integration with systems - RESTful API allows connection to BMS systems.
- Child lock - Code protection against unauthorized access.
- Energy saving - Latest algorithms ensure energy efficiency.
- Clock on display - Current time always visible.
- Backlight customization - Choose black or white display color.
- Universal design - Supplied with a white frame, fits many frame systems.
- The front fits many system frames - The front can be dismantled and integrated into another frame system - see table. Optionally, the front can be purchased in our store with a frame in metallic or anthracite color.
T2Blue-20 heating cable with SENZ WIFI thermostat
Product code | Product symbol | Length | Nominal power | Total power | Fuse | Power cord |
SZ18300415 |
R-BL-C-11M/SENZ-WIFI |
11 m |
20 W/m |
205 W |
B 10 A / 30 mA |
2,5 m |
SZ18300416 |
R-BL-C-14M/SENZ-WIFI |
14 m |
20 W/m |
285 W |
B 10 A / 30 mA |
2,5 m |
SZ18300417 |
R-BL-C-18M/SENZ-WIFI |
18 m |
20 W/m |
355 W |
B 10 A / 30 mA |
2,5 m |
SZ18300418 |
R-BL-C-21M/SENZ-WIFI |
21 m |
20 W/m |
435 W |
B 10 A / 30 mA |
2,5 m |
SZ18300419 |
R-BL-C-28M/SENZ-WIFI |
28 m |
20 W/m |
575 W |
B 10 A / 30 mA |
2,5 m |
SZ18300420 |
R-BL-C-35M/SENZ-WIFI |
35 m |
20 W/m |
720 W |
B 10 A / 30 mA |
2,5 m |
SZ18300421 |
R-BL-C-43M/SENZ-WIFI |
43 m |
20 W/m |
845 W |
B 10 A / 30 mA |
2,5 m |
SZ18300422 |
R-BL-C-50M/SENZ-WIFI |
50 m |
20 W/m |
980 W |
B 10 A / 30 mA |
2,5 m |
SZ18300423 |
R-BL-C-57M/SENZ-WIFI |
57 m |
20 W/m |
1130 W |
B 10 A / 30 mA |
2,5 m |
SZ18300424 |
R-BL-C-63M/SENZ-WIFI |
63 m |
20 W/m |
1270 W |
B 10 A / 30 mA |
2,5 m |
SZ18300425 |
R-BL-C-71M/SENZ-WIFI |
71 m |
20 W/m |
1435 W |
B 10 A / 30 mA |
2,5 m |
SZ18300426 |
R-BL-C-86M/SENZ-WIFI |
86 m |
20 W/m |
1710 W |
B 13 A / 30 mA |
2,5 m |
SZ18300427 |
R-BL-C-101M/SENZ-WIFI |
101 m |
20 W/m |
2015 W |
B 16 A / 30 mA |
2,5 m |
SZ18300428 |
R-BL-C-115M/SENZ-WIFI |
115 m |
20 W/m |
2300 W |
B 16 A / 30 mA |
2,5 m |
T2Blue-20 heating cable without thermostat
Product code | Product symbol | Length | Nominal power | Total power | Fuse | Power cord |
SZ18300385 |
R-BL-C-11M/T0/SD |
11 m |
20 W/m |
205 W |
B 10 A / 30 mA |
2,5 m |
SZ18300386 |
R-BL-C-14M/T0/SD |
14 m |
20 W/m |
285 W |
B 10 A / 30 mA |
2,5 m |
SZ18300387 |
R-BL-C-18M/T0/SD |
18 m |
20 W/m |
355 W |
B 10 A / 30 mA |
2,5 m |
SZ18300388 |
R-BL-C-21M/T0/SD |
21 m |
20 W/m |
435 W |
B 10 A / 30 mA |
2,5 m |
SZ18300389 |
R-BL-C-28M/T0/SD |
28 m |
20 W/m |
575 W |
B 10 A / 30 mA |
2,5 m |
SZ18300390 |
R-BL-C-35M/T0/SD |
35 m |
20 W/m |
720 W |
B 10 A / 30 mA |
2,5 m |
SZ18300391 |
R-BL-C-43M/T0/SD |
43 m |
20 W/m |
845 W |
B 10 A / 30 mA |
2,5 m |
SZ18300392 |
R-BL-C-50M/T0/SD |
50 m |
20 W/m |
980 W |
B 10 A / 30 mA |
2,5 m |
SZ18300393 |
R-BL-C-57M/T0/SD |
57 m |
20 W/m |
1130 W |
B 10 A / 30 mA |
2,5 m |
SZ18300394 |
R-BL-C-63M/T0/SD |
63 m |
20 W/m |
1270 W |
B 10 A / 30 mA |
2,5 m |
SZ18300395 |
R-BL-C-71M/T0/SD |
71 m |
20 W/m |
1435 W |
B 10 A / 30 mA |
2,5 m |
SZ18300396 |
R-BL-C-86M/T0/SD |
86 m |
20 W/m |
1710 W |
B 13 A / 30 mA |
2,5 m |
1244-001902 |
R-BL-C-101M/T0/SD |
101 m |
20 W/m |
2015 W |
B 16 A / 30 mA |
2,5 m |
SZ18300397 |
R-BL-C-115M/T0/SD |
115 m |
20 W/m |
2300 W |
B 16 A / 30 mA |
2,5 m |
Foundation slab with electric heating, see tips on how to install heating cable in it. How to prepare the slab and reinforcement for the installation of heating cables? Are heating cables in the foundation slab also laid under permanent buildings? What kind of heating cable for thermal storage heating?
Read moreElectric floor heating installation project. Thermostat on the wall as a separate component or in a frame system? What kind of power cord for the heating cable and heating mat? What if the thermostat has too small a relay output? What kind of flush-mounted box for a floor thermostat? What from the thermostat box to the floor level? What fuse for floor heating? Will there be room thermostats with WiFi?
Read moreThe correct choice of heating power determines the efficiency of the entire system, and thus the comfort of the residents. Too much spacing between heating cables can prevent optimal heat levels, leading to cooler zones in the floor.
Read moreTo measure the heating cable, you need a meter with a low-voltage resistance measurement function and an insulation resistance measurement function. In the first measurement, we measure the insulation resistance. Measurements of insulation resistance are made in the...
Read moreElectric heating of the foundation slab is currently gaining a lot of popularity, mainly due to the unstable electricity prices in recent times. A properly installed foundation slab heating system, equipped with a suitable floor thermostat, can be run during the hours when electricity is cheapest. The stored energy is then sufficient to heat the house around the clock.
Read moreWarranty on the heating cable
12 years "Total care" = Repair of underfloor heating system or replacement with a new one and restoration of the floor to its condition before replacement or repair or, if this is not possible, to an equivalent standard.
Type of heating cable
Single-sided powered, fixed resistance
Minimum installation temperature
Minimum cable bending radius
Certifications and approvals
Minimum distance between heating cables
T2Blue-20 heating cable with SENZ WIFI thermostat
Product code | Product symbol | Length | Nominal power | Total power | Fuse | Power cord |
SZ18300415 |
R-BL-C-11M/SENZ-WIFI |
11 m |
20 W/m |
205 W |
B 10 A / 30 mA |
2,5 m |
SZ18300416 |
R-BL-C-14M/SENZ-WIFI |
14 m |
20 W/m |
285 W |
B 10 A / 30 mA |
2,5 m |
SZ18300417 |
R-BL-C-18M/SENZ-WIFI |
18 m |
20 W/m |
355 W |
B 10 A / 30 mA |
2,5 m |
SZ18300418 |
R-BL-C-21M/SENZ-WIFI |
21 m |
20 W/m |
435 W |
B 10 A / 30 mA |
2,5 m |
SZ18300419 |
R-BL-C-28M/SENZ-WIFI |
28 m |
20 W/m |
575 W |
B 10 A / 30 mA |
2,5 m |
SZ18300420 |
R-BL-C-35M/SENZ-WIFI |
35 m |
20 W/m |
720 W |
B 10 A / 30 mA |
2,5 m |
SZ18300421 |
R-BL-C-43M/SENZ-WIFI |
43 m |
20 W/m |
845 W |
B 10 A / 30 mA |
2,5 m |
SZ18300422 |
R-BL-C-50M/SENZ-WIFI |
50 m |
20 W/m |
980 W |
B 10 A / 30 mA |
2,5 m |
SZ18300423 |
R-BL-C-57M/SENZ-WIFI |
57 m |
20 W/m |
1130 W |
B 10 A / 30 mA |
2,5 m |
SZ18300424 |
R-BL-C-63M/SENZ-WIFI |
63 m |
20 W/m |
1270 W |
B 10 A / 30 mA |
2,5 m |
SZ18300425 |
R-BL-C-71M/SENZ-WIFI |
71 m |
20 W/m |
1435 W |
B 10 A / 30 mA |
2,5 m |
SZ18300426 |
R-BL-C-86M/SENZ-WIFI |
86 m |
20 W/m |
1710 W |
B 13 A / 30 mA |
2,5 m |
SZ18300427 |
R-BL-C-101M/SENZ-WIFI |
101 m |
20 W/m |
2015 W |
B 16 A / 30 mA |
2,5 m |
SZ18300428 |
R-BL-C-115M/SENZ-WIFI |
115 m |
20 W/m |
2300 W |
B 16 A / 30 mA |
2,5 m |
T2Blue-20 heating cable without thermostat
Product code | Product symbol | Length | Nominal power | Total power | Fuse | Power cord |
SZ18300385 |
R-BL-C-11M/T0/SD |
11 m |
20 W/m |
205 W |
B 10 A / 30 mA |
2,5 m |
SZ18300386 |
R-BL-C-14M/T0/SD |
14 m |
20 W/m |
285 W |
B 10 A / 30 mA |
2,5 m |
SZ18300387 |
R-BL-C-18M/T0/SD |
18 m |
20 W/m |
355 W |
B 10 A / 30 mA |
2,5 m |
SZ18300388 |
R-BL-C-21M/T0/SD |
21 m |
20 W/m |
435 W |
B 10 A / 30 mA |
2,5 m |
SZ18300389 |
R-BL-C-28M/T0/SD |
28 m |
20 W/m |
575 W |
B 10 A / 30 mA |
2,5 m |
SZ18300390 |
R-BL-C-35M/T0/SD |
35 m |
20 W/m |
720 W |
B 10 A / 30 mA |
2,5 m |
SZ18300391 |
R-BL-C-43M/T0/SD |
43 m |
20 W/m |
845 W |
B 10 A / 30 mA |
2,5 m |
SZ18300392 |
R-BL-C-50M/T0/SD |
50 m |
20 W/m |
980 W |
B 10 A / 30 mA |
2,5 m |
SZ18300393 |
R-BL-C-57M/T0/SD |
57 m |
20 W/m |
1130 W |
B 10 A / 30 mA |
2,5 m |
SZ18300394 |
R-BL-C-63M/T0/SD |
63 m |
20 W/m |
1270 W |
B 10 A / 30 mA |
2,5 m |
SZ18300395 |
R-BL-C-71M/T0/SD |
71 m |
20 W/m |
1435 W |
B 10 A / 30 mA |
2,5 m |
SZ18300396 |
R-BL-C-86M/T0/SD |
86 m |
20 W/m |
1710 W |
B 13 A / 30 mA |
2,5 m |
1244-001902 |
R-BL-C-101M/T0/SD |
101 m |
20 W/m |
2015 W |
B 16 A / 30 mA |
2,5 m |
SZ18300397 |
R-BL-C-115M/T0/SD |
115 m |
20 W/m |
2300 W |
B 16 A / 30 mA |
2,5 m |