Gent S4-720 Addressable Heat Detector

S4 720 - Gent Heat Detector

The Gent S4-720 Addressable Heat Detector is a high-performance heat-only fire detector from the Gent S-Quad range, designed for use with Gent Vigilon addressable fire alarm systems.

Engineered to provide reliable fire detection in environments where smoke detectors may be unsuitable, the S4-720 heat detector offers dependable performance with a reduced risk of false alarms.

This addressable heat detector is ideal for commercial and industrial applications such as kitchens, plant rooms, workshops, and dusty or steamy environments, where temperature rise is a more reliable indicator of fire than smoke.

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Key Features & Benefits

• Heat-only fire detection for challenging environments

• Fully compatible with Gent Vigilon systems

• Addressable heat detector with individual device identification

• Designed to reduce false alarms caused by steam, dust, or fumes

• LPCB approved and compliant with BS EN54-5

• Part of the Gent S-Quad intelligent detector range

• Supports advanced system diagnostics and monitoring

The Gent S4-720 uses precise thermistor-based heat sensing technology to detect abnormal temperature increases, ensuring rapid response to fire conditions while maintaining system stability.

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Technical Specification:

Feature	Specification
Product Name	Gent S4-720 Heat Detector
Part Number	S4-720
Device Type	Intelligent Addressable Heat Detector
Detection Principle	Heat (Thermistor-based sensing)
System Compatibility	Gent Vigilon Addressable Systems
Protocol	Gent Vigilon Protocol
Operating Voltage	24V DC (Loop powered)
Power Source	Powered via control loop
Mounting Base	Compatible with S4-700 Common Base
Operating Temperature	Typically -10°C to +55°C
Humidity Range	0% to 95% RH, non-condensing
Indication	Dual red LED (360° visibility)
Environmental Rating	Indoor use (EN54 compliant)
Dimensions	Approx. 102mm diameter x 52mm height
Weight	Approx. 100g (without base)
Compliance	BS EN54-5: Heat Detectors

 

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Compatibility & System Integration

The Gent S4-720 heat detector is designed specifically for use on Gent Vigilon addressable fire alarm systems, integrating seamlessly with other S-Quad devices to deliver intelligent fire detection and monitoring.

Each detector communicates continuously with the control panel, allowing for:

• Accurate device location identification

• Enhanced fault monitoring

• Improved system maintenance efficiency

Note: The detector requires a compatible Gent S-Quad S4-700 base (sold separately).

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Where to Use the S4-720 Heat Detector

Unlike optical smoke detectors, the S4-720 heat detector is best suited to environments where airborne contaminants could cause false alarms.

Typical applications include:

• Commercial kitchens

• Boiler rooms and plant areas

• Warehouses and industrial units

• Garages and loading bays

• Workshops and manufacturing facilities

This makes the Gent S4-720 addressable heat detector an excellent choice for projects requiring reliable heat detection in commercial buildings.

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Compliance & Standards

The S4-720 heat detector meets key UK and European fire safety standards, including:

• BS EN54-5

• LPCB approval

• Designed in accordance with BS 5839-1 system requirements

These certifications ensure the detector is suitable for use in regulated fire alarm installations across the UK.

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Technical Overview

• Detector type: Addressable heat detector

• System compatibility: Gent Vigilon

• Detection method: Thermistor heat sensing

• Approval: LPCB

• Standard: EN54-5

• Product range: Gent S-Quad

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Why Choose the Gent S4-720?

The Gent S4-720 is the ideal solution where smoke detection is impractical but fast, reliable fire detection is still essential. As part of the trusted Gent S-Quad range, it delivers long-term performance, intelligent system integration, and compliance with UK fire safety standards.

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