DETECT-A-FIRE®
Accurate, Rate-Compensated Heat Detection for Reliable Fire Protection
DETECT-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.
As part of the Fenwal Controls portfolio within the KiddeFenwal family of brands, DETECT-A-FIRE® devices have been a trusted standard in fire protection for decades, delivering reliable performance across industrial, commercial, and specialized environments.
The DETECT-A-FIRE® Advantage
Rate Compensation for Faster, More Accurate Detection
Unlike fixed temperature or rate-of-rise detectors, DETECT-A-FIRE® devices use rate-compensated technology to respond to both ambient temperature and the speed of heat increase. This allows the device to activate at a precise set point regardless of how quickly temperature changes occur.
By accounting for real-world thermal conditions, DETECT-A-FIRE® detectors:
- Respond quickly to fast-developing fires
- Maintain accuracy during slow heat buildup
- Avoid nuisance alarms caused by temporary temperature fluctuations
This balanced approach delivers dependable detection when it matters most.
Key Advantages
- Rate-Compensated Detection
Accurately senses true air temperature for reliable activation at the intended set point - Minimized False Alarms
Designed to ignore transient heat spikes that can trigger rate-of-rise detectors - Repeatable, Self-Restoring Operation
Built for long-term use with no components to replace and consistent performance over time
- Durable Construction
Stainless steel or brass shell and sealed internal components support longevity in demanding environments - Factory-Calibrated Settings
Pre-set temperature thresholds ensure consistent and predictable activation - Wide Range of Temperature Options
Available in multiple configurations to meet specific application requirements
Applications
Proven Detection Across Diverse Environments
DETECT-A-FIRE® devices are widely used as the initiating component in fire protection and suppression systems across a variety of industries and environments, including:
- Industrial facilities and manufacturing plants
- Power generation and energy infrastructure
- Commercial buildings and public spaces
- Paint spray booths and hazardous areas
- Range hoods and kitchen exhaust systems
- Engine compartments and equipment enclosures
These detectors play a critical role in initiating suppression systems using clean agents, CO₂, inert gases, wet or dry chemicals, or water-based systems
System Architecture
Available Configurations
Flexible Designs for Installation and Performance Needs
DETECT-A-FIRE® devices are available in multiple configurations to support a wide range of mounting, environmental, and operational requirements.
- Vertical DETECT-A-FIRE® Detectors
Designed for general-purpose and hazardous location applications, vertical models support flexible installation and are widely used in industrial and commercial environments. - Horizontal DETECT-A-FIRE® Detectors
Engineered for applications where appearance and space constraints are a factor, horizontal models provide low-profile installation for finished or visible spaces. - Open and Closed Contact Options
Available in normally open or normally closed configurations to support different system requirements and integration needs.
Technical Overview
- Detection Type: Rate-compensated heat detection
- Temperature Activation Range: Multiple factory-set options typically ranging from ~140°F to 725°F depending on model
- Contact Operation: Available in normally open (close on rise) and normally closed (open on rise) configurations
- Electrical Ratings: Supports AC and DC switching (varies by model and configuration)
- Response Method: Compensates for both ambient temperature and rate of temperature rise to ensure accurate activation
- Construction: Hermetically sealed sensing element within a stainless steel or brass shell
- Mounting Options: Vertical and horizontal configurations available
Resources
Resource links coming soon!
Built for Reliability. Backed by Experience.
For over 75 years, DETECT-A-FIRE® has been a trusted solution in fire detection systems worldwide, serving as the “heart” of many fire protection strategies. As part of KiddeFenwal, Fenwal Controls products are engineered to deliver dependable performance, helping protect people, property, and critical operations with confidence.
Discover the right DETECT-A-FIRE® configuration for your application or connect with our team for expert guidance.
