Red Smoke Alarms R240 Photoelectric Smoke Alarm 240v/9v
A photoelectric, 240v (hard wired) smoke alarm with a 9v battery back up. Interconnectable with up to 40 Red smoke alarms and includes a test/hush button and visual indicators. Can be wirelessly interconnected with the addition of the Red RF wireless base. The R240 smoke alarm is approved and certified to meet AS3786:2014 and is fully compliant to meet the Queensland 2022 smoke alarm legislation. When the Red RF wireless base is used with this alarm, the Red Smoke Alarm Controller can connect wirelessly to this smoke alarm. This product must be installed by a licensed electrician.
A photoelectric, 240v (hard wired) smoke alarm with a 9v battery back up. Interconnectable with up to 40 Red smoke alarms and includes a test/hush button and visual indicators. Can be wirelessly interconnected with the addition of the Red RF wireless base. The R240 smoke alarm is approved and certified to meet AS3786:2014 and is fully compliant to meet the Queensland 2022 smoke alarm legislation. When the Red RF wireless base is used with this alarm, the Red Smoke Alarm Controller can connect wirelessly to this smoke alarm. This product must be installed by a licensed electrician.
A photoelectric, 240v (hard wired) smoke alarm with a 9v battery back up. Interconnectable with up to 40 Red smoke alarms and includes a test/hush button and visual indicators. Can be wirelessly interconnected with the addition of the Red RF wireless base. The R240 smoke alarm is approved and certified to meet AS3786:2014 and is fully compliant to meet the Queensland 2022 smoke alarm legislation. When the Red RF wireless base is used with this alarm, the Red Smoke Alarm Controller can connect wirelessly to this smoke alarm. This product must be installed by a licensed electrician.
A photoelectric, 240v (hard wired) smoke alarm with a 9v battery back up. Interconnectable with up to 40 Red smoke alarms and includes a test/hush button and visual indicators. Can be wirelessly interconnected with the addition of the Red RF wireless base. The R240 smoke alarm is approved and certified to meet AS3786:2014 and is fully compliant to meet the Queensland 2022 smoke alarm legislation. When the Red RF wireless base is used with this alarm, the Red Smoke Alarm Controller can connect wirelessly to this smoke alarm. This product must be installed by a licensed electrician.
in 30 offers
The lowest price for Red Smoke Alarms R240 Photoelectric Smoke Alarm 240v/9v right now is $24.95 at Krona, compared across 24 retailers.
The all-time low was $24.95 on 14 Nov 2024. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 10 Sept 2026.
Last updated at 10/09/2026 02:43:20
R240, Smoke Alarm, Photoelectric, Surface Mount, 240V with 9v Battery Backup
Free next-day delivery
Red Smoke Alarms R240 | Photoelectric Smoke Alarm 240v/9v | Interconnectable
Delivery between 15–17 Sept $15.95
Red Smoke Alarms 10 x Bundle R240 | Photoelectric Smoke Alarm 240v/9v | Interconnectable
Delivery between 15–17 Sept $15.95
Red R240 Smoke Alarm | 240V with 9V Battery Back-up
Free delivery between 16–18 Sept
Red Smoke Alarms R240 | Photoelectric Smoke Alarm 240v/9v |
Delivery $15.90
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Red Smoke Alarms Red Smoke Alarms R240 | Photoelectric Smoke Alarm
Delivery $15.95
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Red Smoke Alarms Red Smoke Alarms R240 | Photoelectric Smoke Alarm
Delivery $13
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Red 240V Smoke Alarm with 9V Backup Battery - MJS Electrical Supplies
Delivery between 11–18 Sept $9.72
240V Photoelectric Smoke Alarm + 9V Back-Up Battery (R240) | Red
Delivery $9.95
R240 Red Photoelectric Smoke Detector 240v Hardwired
Delivery $14.95
originally posted on Google Customer Reviews
Easy to install & test.
originally posted on mydeal.com.au
Could not believe it arrived so fast.
| Detection Method | Photoelectric |
| Power | 240V |
| Alarm sound | 85 dB at 3m minimum |
| Operating Distance | N/A indoor use line of sight; 140m free field |
R240, Smoke Alarm, Photoelectric, Surface Mount, 240V with 9v Battery Backup
Free next-day delivery
Red Smoke Alarms R240 | Photoelectric Smoke Alarm 240v/9v | Interconnectable
Delivery between 15–17 Sept $15.95
Red Smoke Alarms 10 x Bundle R240 | Photoelectric Smoke Alarm 240v/9v | Interconnectable
Delivery between 15–17 Sept $15.95
Red R240 Smoke Alarm | 240V with 9V Battery Back-up
Free delivery between 16–18 Sept
Red Smoke Alarms R240 | Photoelectric Smoke Alarm 240v/9v |
Delivery $15.90
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Easy to install & test.
Could not believe it arrived so fast.
| Detection Method | Photoelectric |
| Power | 240V |
| Alarm sound | 85 dB at 3m minimum |
| Operating Distance | N/A indoor use line of sight; 140m free field |
