Radio-Interlinked 10 Year Sealed Battery Optical Smoke Alarm - UltraFire ULLS10RF

UltraFire ULLS10RF 10 Year RF Optical Smoke Alarm

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Optical Smoke Alarms

Optical smoke alarms are good at detecting smouldering fires such as soft furnishing. Best for living rooms, bedrooms & hallways.

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Product Overview
Technical Data
FAQs (4)

Product Overview

The UltraFire ULLS10RF is a 10 year optical smoke alarm with wireless RF interlink, so up to 15 alarms around the home will activate if one detects a potential fire. A sealed lithium battery is designed to last the entire 10 year lifespan of the alarm, backed up by a 10 year warranty, and the alarm is automatically powered up when fitted to the mounting plate. Almost the entire face of the alarm is a combined test & hush button, which can also silence the end of life warning for up to 10 hours should it occur during the night.

Optical smoke sensor suitable for hallways, landings, living rooms, and bedrooms
Battery: 10 year sealed lithium battery
Warranty: 10 year manufacturer's warranty
Wireless interlink with UltraFire ULLH10RF heat alarms, up to 15 total alarms
Automatically turns on and off when fitted and removed from the RF base plate
Smoke detection chamber designed to reduce false alarms and improve detection of real smoke
Large test & silence button – almost the whole face of the alarm!
End of life warning can be silenced for up to 10 hours
Suitable for installations complying to BS 5839-6 Grade F1
CE marked, UKCA marked, and Kitemarked to BS EN 14604: 2005
These alarms are also suitable for the updated 2022 Scottish legislation for fire alarms in homes

Technical Data

Product Code	UFULLS10RF
Alternative Product Codes	ULLS10RF
Brand	UltraFire
Battery Type	10 Year Sealed Lithium
Dimensions (HxDia)	58 x 90mm
Operating Temperature	0°C to 40°C
Sound Output	85 dB
Warranty	10 Years
Weight	0.17kg
Product Datasheets	ULLS10RF Wireless Optical Smoke Alarm Manual V1.0 UltraFire ULL10RF Interlink Instructions V1.0

FAQs (4)

Q. Can I put my smoke alarm on the wall, or must it be mounted on the ceiling?

The best location to install your smoke alarm is in the centre of the ceiling rather than on the wall.

During a fire, smoke initially rises and then spreads horizontally. Placing the smoke alarm in the centre of your ceiling means that it is closest to all four points of your room. This ensures that you receive the earliest possible warning of a fire.

For more information, read our guide to positioning your smoke alarm and guide to which smoke alarms are best for each room.

Q. How do I fit my smoke alarm to the ceiling?

Smoke alarms can be either screwed to the ceiling using the holes on the base plate (screws provided), or fixed in place using either a self-adhesive sticky pad or a self-adhesive magnetic mounting kit.

Q. Can a wireless router interfere with radio interlinked alarms?

A wireless router is very unlikely to interfere with the signal of your radio interlinked smoke, heat or CO alarm as the RF signal is digitally coded.

Q. If the radio interlinking signal on one unit fails will the units still work as stand alone units.

Yes, should the radio interlinking signal fail the units will continue to sound independently should they detect a fire.