Apollo Orbis A1S Heat Detector (ORB-HT-11166-APO)

The Apollo Orbis A1S Heat Detector (ORB-HT-11166-APO) provides reliable heat detection in environments where smoke detectors may not be fitting. Using a single thermistor, it monitors the surrounding air temperature and delivers accurate heat detection while helping reduce unwanted alarms in challenging conditions.

The ORB-HT-11166-APO includes several features designed to simplify installation, commissioning, and maintenance. Its wide operating temperature and voltage ranges allow it to perform reliably in a variety of applications, while an optional flashing LED version is available for installations that require enhanced visual indication.

Designed as part of the Apollo Orbis range, the unit combines dependable performance with advanced maintenance features that help reduce service time and improve long-term reliability.

Key Features

• A1S heat detector
• Single thermistor heat sensing technology
• Wide operating temperature range
• Wide supply voltage range
• Designed for fast installation and commissioning
• Reliable heat detection
• Suitable where smoke detectors are less fitting
• Helps reduce unwanted alarms
• Optional flashing LED version available
• Compatible with Apollo Orbis systems

Typical Applications

The Apollo ORB-HT-11166-APO is fitting for:

• Bed and breakfasts
• Guest houses
• Car parks
• Loading bays
• Dusty environments
• Restaurants
• Retail premises
• Small to medium sized buildings