Capillary thermostat manufacturer with 30+ years of expertise.

HengTherm in motion

See how temperature-control products move from engineering to production.

A concise look at product development, testing, automated processes, assembly and finished mechanical thermostat solutions.

Why HengTherm

Product coverage built around your equipment.

Select by electrical load, temperature range, reset type and application — not a one-size-fits-all catalogue.

1. 01

   Control options

   Single-pole to three-pole control with automatic and manual-reset configurations.

2. 02

   Electrical coverage

   Micro-current gas controls through 33A high-current mechanical thermostats.

3. 03

   Commercial equipment

   Products for fryers, ovens, bakers, boilers, water heaters and gas appliances.

4. 04

   Configuration flexibility

   Capillary, sensing bulb, shaft, terminal and mounting options by model.

Product range

Mechanical temperature control for commercial equipment.

Factory-direct product families for manufacturers, distributors and replacement specialists.

HTR-C100

Control Thermostats

Automatic-reset capillary thermostats for fryers, burners, ovens and water heaters.

• 16A / 20A · 110V / 250V
• 50–400°C
• SPST / SPDT
• 100,000 cycles

Request specifications →

HTR-S200

Safety Thermostats

Manual-reset safety limiters for over-temperature protection.

• 16A / 20A · 110V / 250V
• 380 / 400 / 430°C
• Manual reset
• 6,000 cycles

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HTR-P300

High-Load Control Thermostat

Single-pole control for higher-load commercial heating equipment.

• 16A / 20A / 32A
• 110V / 250V / 400V
• 50–450°C
• Compulsory OFF

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HTR-C400

Compact Control Thermostats

Compact capillary controls for precise commercial cooking and heating applications.

• 16A / 20A · 110V / 250V
• 50–400°C
• SPST / SPDT
• 100,000 cycles

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HTR-P500

33A Control Thermostats

High-current control for electric heating, frying, baking and boiler equipment.

• 33A · 110V / 250V
• 50–500°C
• SPST / SPDT
• 100,000 cycles

Request specifications →

HTR-G600

Gas Thermostats & Limiters

Micro-current temperature controls and limiters for gas cooking equipment.

• 0.67A · DC 5V
• 125–300°C
• SPST / SPDT
• Auto / manual reset

Request specifications →

HTR-I700

Capillary Thermometers

Dial temperature instruments for boilers, coffee equipment, ovens and BBQ equipment.

• 120–600°C
• Ø45–80 mm
• Capillary instruments
• Multiple dial formats

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Technical data is a catalogue reference. Confirm final ratings, dimensions and approvals for the selected model before ordering.

Technical drawings

Find drawings by model.

View or download branded PDF drawings for available HTR-C, HTR-S, HTR-P and HTR-G models.

• HTR-S301 (HTR-S) — PDF technical drawing
• HTR-C401 (HTR-C) — PDF technical drawing
• HTR-C402 (HTR-C) — PDF technical drawing
• HTR-C403 (HTR-C) — PDF technical drawing
• HTR-P501 (HTR-P) — PDF technical drawing
• HTR-P502 (HTR-P) — PDF technical drawing
• HTR-P503 (HTR-P) — PDF technical drawing
• HTR-P504 (HTR-P) — PDF technical drawing
• HTR-P505 (HTR-P) — PDF technical drawing
• HTR-P506 (HTR-P) — PDF technical drawing
• HTR-P507 (HTR-P) — PDF technical drawing
• HTR-G601 (HTR-G) — PDF technical drawing
• HTR-G602 (HTR-G) — PDF technical drawing

Product directory

Product families for matching and quotation.

Send the equipment model, rating and temperature requirement for model-level confirmation.

Application support

Built around your equipment.

Tell us the equipment type, electrical rating, control range and quantity. We will help identify a suitable option.