Flue gas thermostat


  • Switch temperature between 40-160°C
  • On/off switch based on flue gas temperature

ESBE series CTF200 is an electro mechanical temperature controller/ resettable limiter which is intended for use in heat generator plants with multiple heat generators to change over from solid fuel to oil- or gas boilers.

The series CTF200 can also be used for on/off control of circulation pumps and load units to control the electrical supply to a circulation pump or a load unit with an integrated circulation pump.

Product range


CTF271_Flue gas thermostat_56020300.png
CTF200 front_A-01.png
CTF200 side_A-01.png
Art.no. Reference Switch temp. range [°C] max. temperature Probe [°C] Weight [kg]
56020300 CTF271 40 - 160 750 0,26
Installation support

Installation example

Installation example


Technical data

Technical data

Enclosure rating: IP40 (EN 60529)
Switching capacity: nominal voltage range: 40...250 VAC;
nominal current range: 0,5...16(2,6)A
Hysteresis: 11K ± 5,5K
Immersion pocket: Ø6,35 mm, length 150 mm
Weight: 0,255 kg (without pocket)
Ambient temperature - Storage: max. +70 °C
Ambient temperature - Usage: -25°C to +75°C
Material, Case lid: Polycarbonate (PC)
Material, Housing: reinforced Polyamid (PA)
Material, Immersion pocket: Stainless steel
Material, Temperature probe: Stainless steel
Acc. to EN 14597


LVD 2014/35/EU
EMC 2014/30/EU
SI 2016 No. 1101
SI 2016 No. 1091


Please see Installation instruction
Download area

Download area

Type Preview Download
Data Sheet CTF200 download
Installation instruction CTF200 download
Certificate Declaration of Conformity, CTF200 download
Certificate Declaration of Conformity UKCA, CTF200 download
Image CTF200, high res download
2D Image CTF200 download