Fixed-Rate Heat Detector 08-84
Dependable Fixed-Temperature Detection for Fire Protection Systems
The 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.
As part of the Fenwal Controls portfolio within the KiddeFenwal family of brands, the 08-84 heat detector supports accurate, repeatable detection across industrial, commercial, and specialized environments.
The Fixed-Rate Heat Detector 08-84 Advantage
Simple, Reliable Activation at Defined Temperature Thresholds
The 08-84 heat detector operates using a fixed-temperature, snap-action mechanism that responds when a specific heat level is reached. This approach ensures consistent activation without sensitivity to environmental fluctuations or gradual temperature changes.
Ideal for applications where a clearly defined response point is required, the 08-84 provides dependable detection for initiating alarms or activating fire suppression systems.

Key Advantages
- Fixed-Temperature Detection
Activates at a predetermined temperature threshold for consistent performance - Snap-Action Response
Provides rapid, reliable actuation when set point is reached - Repeatable Operation
Designed for dependable performance across repeated cycles
- Simple, Proven Design
Mechanical operation reduces complexity and enhances reliability - Durable Construction
Built to perform in demanding industrial and commercial environments - System Integration Ready
Supports use within fire detection and suppression system architectures
Applications
Reliable Detection for Defined Fire Protection Needs
The Fixed-Rate Heat Detector 08-84 is used in applications where consistent, threshold-based detection is required, including:
- Industrial facilities and manufacturing environments
- Equipment enclosures and mechanical spaces
- Vehicle suppression systems
- Electrical and control cabinets
- Commercial and institutional buildings
- Fire protection systems requiring fixed-point heat detection

System Architecture
Available Configurations
Designed for Flexible Integration
The 08-84 heat detector is available in configurations designed to support a variety of installation and system requirements.
Options include:
- Multiple fixed temperature ratings
- Contact configurations to support system activation or signaling
- Mounting options for integration into equipment or facility systems
- Compatibility with fire alarm and suppression system control units
Technical Overview
- Detection Type: Fixed-temperature heat detection
- Temperature Activation: Factory-set activation at a defined threshold
- Contact Operation: Typically closes on temperature rise to initiate system response
- Response Method: Snap-action mechanism for reliable, repeatable activation
- Electrical Ratings: Compatible with fire detection and control circuits (varies by configuration)
- Construction: Durable design suitable for industrial and commercial environments
- Mounting: Configurable for installation within equipment or facility systems
Resources
Resource links coming soon!
Dependable Detection Starts Here
Fenwal Controls products are trusted worldwide for their durability and performance in demanding applications. As part of KiddeFenwal, the 08-84 heat detector is engineered to provide consistent, dependable detection where safety and system reliability are critical.
Connect with our team to determine the right configuration for your application. Link to snap-disc quote form. (Need Link)



