
Mechanical Temperature Controls
Reliable Thermal Response for Detection, Control, and Safety
Mechanical temperature controls play a critical role in fire protection and equipment safety by responding to changes in heat without the need for complex electronics or external power. These devices provide dependable, real-time thermal responses for detection, control, and system activation across a wide range of environments.
As part of the Fenwal Controls portfolio within the KiddeFenwal family of brands, these solutions are engineered for durability, accuracy, and long-term performance in industrial, commercial, and specialized applications. Whether used for fire detection, temperature regulation, or equipment protection, mechanical temperature controls serve as a foundational layer in comprehensive fire protection and safety strategies.

Integrated Thermal Protection
Across the KiddeFenwal Ecosystem
Mechanical temperature controls are a critical component of a broader fire protection strategy. When combined with KiddeFenwal detection, control, and suppression technologies, these devices support coordinated system response, improved reliability, and enhanced protection of people, property, and processes.
From early heat detection to equipment-level temperature control, Fenwal Controls solutions deliver trusted performance backed by decades of engineering expertise.
Built for Reliability. Designed for Protection.
Explore Fenwal Controls mechanical temperature solutions or connect with our team to find the right fit for your application.
In this section

DETECT-A-FIRE®
View DetailsDETECT-A-FIRE® (D-A-F) heat detectors provide precise, dependable fire detection by accurately sensing surrounding air temperature and responding to true fire conditions without the false alarms commonly associated with other detection methods.

Fixed-Rate Heat Detector 08-84
View DetailsThe Fixed-Rate Heat Detector 08-84 provides reliable, point-based heat detection designed to activate at a predetermined temperature threshold. Engineered for consistent performance in fire protection applications, this device delivers dependable response when specific temperature conditions are reached.

Snap Disc Controls
View DetailsSnap Disc Controls provide dependable, repeatable temperature control using a proven bi-metal snap-action mechanism. Designed for applications requiring precise actuation at defined temperature thresholds, these compact mechanical devices deliver consistent performance across a wide range of equipment and systems.

Surface Mount THERMOSWITCH™
View DetailsSurface Mount THERMOSWITCH™ controllers provide fast, accurate temperature sensing and control through direct contact with heated surfaces. Designed for applications where immediate thermal response is critical, these compact mechanical devices deliver reliable performance without the need for complex electronics or external control systems.

THERMOSWITCH™
View DetailsTHERMOSWITCH™ temperature controllers provide precise, dependable thermal response for equipment protection and process control across a wide range of industrial and commercial applications. Requiring no power supply , these mechanical devices deliver consistent performance, long service life, and immediate response to temperature changes.

Unit Fire Detection (Turbines)
View DetailsUnit Fire Detection solutions provide reliable, localized heat detection for critical equipment and enclosed systems where early thermal response is essential to safety and system integrity.
Frequently asked questions
How does THERMOSWITCH™ work?
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KiddeFenwal Vietnam brings the full Kidde Fire Systems, Fenwal Controls and Kidde Fire Protection portfolio – fire detection, suppression and safety controls – to critical industries in Vietnam.





