EXHEAT manufactures three types of ATEX certified flameproof thermostats for use in hazardous areas: the AFT for liquid, gas, and air applications with external adjustment; the RFT for mounting in process tanks and vessels containing liquids or gases; and the HFT for temperature control of work or storage areas in conjunction with hazardous area heaters. All three thermostats are ATEX certified for zone 1 or 2 gas areas and zone 21 or 22 dust areas, have IP67 weatherproof enclosures, and temperature ranges from -60°C to +60°C.