Home / Products / Trench heaters without Fans FC

Trench heaters without fans FC

Heating based on the principle of natural convection – no fans required
Low thermal inertia allows heat to be supplied strictly according to actual demand, significantly reducing energy consumption and preventing overheating
Completely silent operation, suitable for spaces with strict acoustic requirements
Reliable and long – lasting solution requiring minimal maintenance
Wide range of sizes and heat outputs – 160 models available
Robust stainless steel casings, capable of withstanding the weight of several adults
Reversible aesthetic grilles made of aluminium or solid oak
10-year warranty for the entire unit
Designed and manufactured in EU

10-year warranty on casings and heat exchangers
Made of stainless steel
Tested in an independent laboratory according to EN16430

Silent

Maximum pressure 25 BAR
Reinforced
casings
Low
water volume
Acoustically insulated
Description
Power
Dimensions
Configuration
Download
Grilles
Accessories
Order Codes

FC series natural trench heaters are designed for space heating without fans, operating on the principle of natural air circulation. 
The units operate completely silently, making them particularly suitable for spaces with high acoustic comfort requirements, such as bedrooms, hotel rooms, and residential areas.
Thanks to their reliable design with no moving parts, FC convectors offer an exceptionally long service life and require no complex maintenance.
Low thermal inertia allows rapid response to temperature changes, making FC one of the most energy-efficient solutions, capable of precisely maintaining the set room temperature (up to ±0.5 °C).
The convectors are equipped with robust stainless steel casings, ensuring durability and reliable operation even in areas with intensive use.
The FC construction is designed for pedestrian loads – the convector can be safely walked on and is capable of withstanding the weight of several adults.
For architectural integration, reversible aesthetic grilles made of aluminium or solid oak are used, allowing the solution to be matched to the floor finish and overall interior design concept. 

 
  1. Stainless steel casing – 1 pc.
  2. Casing reinforcement elements – 2-7 pcs.
  3. Cover for hydraulic connections – 1 pc.
  4. Air deflection element – 1-2 pcs.
  5. Anodized aluminum frame; color matches grille color – 1 set
  6. Copper-aluminum heat exchanger – 1 pc.
  7. Vent – 1 pc.
  8. Protective – decorative grilles (ordered separately) – 1 pc.
  9. Adjustable height legs – 4-20 pcs.
  10. Sound-insulating leg pads – 4-20 pcs.
  1. Elements for attaching the casing to the floor – 4 pcs.
  2. Sound-insulating gaskets – 4 pcs.
  3. Heat exchanger mounting – protection elements – 4-14 pcs.
  4. Pipe sealing – protection elements – 2 pcs.
  5. Cable sealing – protection elements – 1 pc.
  6. Blanks for unused openings – 4 pcs.

Mounting details
Installation instructions

5-layer, 2-part corrugated cardboard box, also used as a protective cover for the device during construction work

ROLL-UP ALUMINUM GRILLES GR

SILVER (ALS)

BROWN (AL10)

BLACK (AL50)


LINEAR ALUMINUM GRILLES GR-L

SILVER (ALS)

BROWN (AL10)

BLACK (AL50)


ROLL-UP WOODEN GRILLES GR

OAK (OAK)

Room Thermostat TW24

For maintaining the set room temperature. Controls actuator A24NC

Dimensions 88 x 88 mm

Weekly temperature schedule programming

Operating temperature 5 - 35°C

Operating voltage - 24V DC, current - 3A

E power - 1.5W

Thermostatic Valve (Straight) TVS15

For regulating the energy carrier flow. Controlled by actuator A24NC

Operating temperature -10℃ - 120℃

Thread 1/2″

Pressure class - PN10

Kvs - 2.00

Body - nickel-plated bronze

Return Flow Limiter (Straight) LS15

For opening, closing, and setting the maximum flow of the energy carrier

Operating temperature -10℃ - 120℃

Thread 1/2″

Pressure class - PN10

Kvs - 2.00

Body - nickel-plated bronze

Return Flow Limiter (Angled) LA15

For opening, closing, and setting the maximum flow of the energy carrier

Operating temperature -10℃ - 120℃

Thread 1/2″

Pressure class - PN10

Kvs - 2.00

Body - nickel-plated bronze

Actuator for Thermostatic Valve A24NC

For opening/closing the thermostatic valve. Controlled by room thermostat TW24

Operating voltage - 24V DC

E power - 2.5W

Protection class - IP54

Connection thread - M30 x 1.5mm

Casing material PC/ABS

Thermostatic Head THC

For maintaining the set room temperature. Controls thermostatic valve TVS15

Temperature range 0℃ - 27℃

Frost protection

Capillary tube length - 1.2 m

Connection thread - M30 x 1.5mm

Casing material - ABS

CONVECTOR ORDER CODE
MODEL LENGTH, cm WIDTH, cm HEIGHT, cm EXAMPLE
FC 100 32 11 FC 100-32-11
GRILLE ORDER CODES
MODEL LENGTH, cm WIDTH, cm MATERIAL EXAMPLE
GR 200 32 ALS GR 200-32-ALS
GR-L 140 22 AL50 GR-L 140-22-AL50
GR – roll-up ALS – aluminum, silver color
GR-L – linear AL10 – aluminum, brown
AL50 – aluminum, black
OAK – oak
ACCESSORY ORDER CODES
MODEL ORDER CODE
Return Flow Limiter Angled LA15
Return Flow Limiter Straight LS15
Thermostatic Valve Straight TVS15
Thermostatic Valve Axial TVA15
Electrothermal Actuator 230V AC A230NC
Room Thermostat TW230
Thermostatic Head with Capillary THC
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