Apollo 55000-121APO Series 65 Heat Detector (A1R) - Flashing LED
| Stock available | Qty | Delivery |
|---|---|---|
| Poole | 0 | None in Poole |
| UK Hub | 82 | 1 to 3 working days |
- Can be used for applications where smoke detectors are unsuitable
- Ideal for environments that are dirty or smoky under natural conditions
- Wide operating voltage
- Flashing LED and magnet operated test switch option
Frequently bought together


Product details
The Apollo 55000-121APO is a Series 65 conventional A1R heat detector with a flashing LED, for areas where smoke detectors would be unsuitable.
The Series 65 Heat Detector monitors temperature by using a dual thermistor network which provides a voltage output proportional to the external air temperature.
- Can be used for applications where smoke detectors are unsuitable
- Ideal for environments that are dirty or smoky under natural conditions
- Wide operating voltage
- Flashing LED and magnet operated test switch option
A non-flashing version is available: Apollo 55000-122APO Series 65 Heat Detector (A1R).
Frequently asked questions
Does the detector include a base?
No. Use a Series 65 base such as the Apollo 45681-200APO.
How does it sense heat?
A dual thermistor network provides a voltage output proportional to the external air temperature.
Where should a heat detector be used?
Environments that are dirty or smoky under natural conditions, such as kitchens and plant areas.






