Commercial Thermostats & Temperature Controls

HengTherm designs and manufactures mechanical thermostats, safety limiters, and capillary thermometers for commercial food service, heating, and industrial equipment. With 30+ years of production experience, we supply factory-direct OEM thermostats to equipment brands, distributors, and replacement-parts buyers worldwide.

Every series below is built around one job: reliable temperature control or over-temperature protection in real working conditions — high current, steam, grease, and vibration included. Click through for full specifications, selection notes, and FAQs.

Control ThermostatsControl ThermostatsHTR-C100 / HTR-C400: automatic-reset capillary thermostats, 16A/20A, 50–400°C, for fryers, ovens, water heaters. Safety ThermostatsSafety ThermostatsHTR-S200 / HTR-S301: manual-reset safety limiters, 380/400/430°C trip points. High-Load Control ThermostatHigh-Load & 33A ThermostatsHTR-P300 (up to 32A) / HTR-P500 (33A) for heavy electric heating. Gas Thermostats & LimitersGas Thermostats & LimitersHTR-G600: micro-current (0.67A, DC 5V) controls for gas cooking equipment. Capillary ThermometersCapillary ThermometersHTR-I700 series: dial thermometers 120–600°C, Ø45–80mm. Temperature Regulating KnobsHTR-K800 series: round, square, custom formats.