The Apollo 55000-122APO Series 65 A1R Heat Detector is a robust, reliable heat detection solution designed for environments where smoke detectors would be unsuitable due to dirty, smoky, or steamy conditions. Utilizing a sophisticated dual thermistor network to monitor temperature changes, this A1R rate-of-rise heat detector provides early warning of fire while ignoring non-fire contaminants. Part of Apollo's industry-standard Series 65 range, it offers proven performance across a wide operating temperature range (-20°C to 90°C) and humidity tolerance (0-95% non-condensing). Ideal for kitchens, boiler rooms, garages, and industrial environments, this detector delivers dependable protection backed by an exceptional 10-year manufacturer warranty.

Key Features of Apollo 55000-122APO Series 65 A1R Heat Detector

• Dual Thermistor Network: Advanced temperature monitoring for accurate fire detection.

• A1R Classification: Rate-of-rise heat detector with fixed temperature element.

• Ideal for Harsh Environments: Suitable for dirty, smoky, or steamy areas where smoke detectors would cause false alarms.

• Wide Operating Temperature: Functions from -20°C to +90°C for versatile application.

• High Humidity Tolerance: Operates in 0-95% relative humidity (non-condensing).

• Proven Series 65 Design: Industry-standard, widely specified heat detector.

• Reliable Performance: Stable detection in challenging conditions.

• Easy Installation: Standard Series 65 base compatibility.

• Low Maintenance: Long-term reliability with minimal intervention.

• 10 Year Manufacturer Warranty: Exceptional long-term coverage.

• Compact Design: 100mm diameter, 42mm height.

• Lightweight: Only 80g for easy handling and installation.

Technical Specifications

Frequently Asked Questions (FAQs)

1. What does A1R classification mean for this heat detector?
A1R indicates a combined rate-of-rise and fixed temperature heat detector. It responds when temperature rises rapidly (rate-of-rise) or when a fixed temperature threshold (typically 58°C) is reached, providing dual protection.

2. Why choose a heat detector over a smoke detector in certain areas?
Heat detectors are ideal for environments with normally high airborne particles - kitchens (cooking fumes), boiler rooms (combustion particles), garages (vehicle exhaust), or dusty industrial areas where smoke detectors would cause frequent false alarms.

3. How does the dual thermistor network improve detection?
The dual thermistor system compensates for ambient temperature variations, providing accurate temperature monitoring while rejecting gradual temperature changes that don't represent fire conditions, reducing false alarms.

4. What is the maximum coverage area for this heat detector?
For optimal protection, heat detectors typically cover areas up to 50-70m² depending on ceiling height and building regulations. Always consult local fire standards and BS5839 for specific spacing requirements.

5. Is this detector compatible with all Apollo Series 65 bases?
Yes, it is fully compatible with the complete range of Apollo Series 65 mounting bases, including standard, diode, and relay base variants, offering flexibility for different system requirements.