Can this be wired into the mains?

No. To connect to the main you need the FireAngel Pro FIREANGEL PRO HT-230 BATTERY BACKUP HEAT ALARM , which is mains powered and has a backup battery in the event of mains power failure. Amazon doesnt sell the, but you can get them cheap from screwfix

Can you send me the battery that wasn’t in the box?

The battery is built in and can't be replaced

can thiz be linked to other heat alarm

No. Also it states it lasts 10 years, I’ve had it replaced already and now the replacement alarm battery has gone with 5 years left on it. I now avoid FireAngel.

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FireAngel FA6720-R Heat Alarm/Detector for Kitchen with 10-Year Battery

FireAngel FA6720-R Heat Alarm/Detector for Kitchen with 10-Year Battery

Product ID: 422760695

Details

Alarm
Heat Alarm
Brand
Fireangel
Colour
White
Item weight
131 Grams
Material
Plastic
Number of items
1

🔋10-year sealed battery life

🔥54°C-65°C heat detection range

🛠️Easy twist & fit baseplate

136.77 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Stay cool, stay safe — kitchen fire protection that never sleeps!

DECADE LONG POWER - Sealed 10-year battery ensures uninterrupted protection without the hassle of replacements.
SILENT NIGHT MODE - Mute low battery chirps for 8 hours to avoid sleep disruption while staying safe.
EFFORTLESS INSTALLATION - Quick twist-and-lock baseplate compatible with HT-630 for seamless upgrades or replacements.
PRECISION HEAT DETECTION - Detects dangerous kitchen fires without false alarms from steam or dust.
CERTIFIED SAFETY ASSURANCE - CE & UKCA marked, BS 5446-2:2003 certified with a 5-year warranty for trusted home protection.

The FireAngel FA6720-R Heat Alarm is expertly designed for kitchens and humid, dusty environments where smoke alarms fail. Featuring a precise 54°C-65°C heat detection range, a 10-year sealed battery, and a silent low-battery mute function, it offers reliable, hassle-free fire safety. Easy to install with a twist-lock baseplate compatible with HT-630 models, it carries CE and UKCA certifications and a 5-year warranty, making it the smart choice for modern homes seeking dependable kitchen fire protection.

Specifications

ASIN	B09WB44VSK
Alarm	Heat Alarm
Best Sellers Rank	704 in DIY & Tools ( See Top 100 in DIY & Tools ) 7 in Smoke Alarms
Brand	Fireangel
Colour	White
Country of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (884)
Included Components	1 x Baseplate, 1 x Heat Alarm complete with Sealed Battery, 1 x Instruction Manual
Item Dimensions D x W x H	11.8D x 11.8W x 4.1H centimetres
Item Highlight	1-Pack, Heat Detector for Kitchen, Fire Alarm for Home, FireAngel HT-630 Replacement
Item Type Name	Heat Alarm
Item Weight	131 Grams
Manufacturer	FireAngel
Manufacturer Warranty Description	5 year manufacturer's warranty.
Material	Plastic
Model Number	FA6720-R
Number of Items	1
Part Number	FA6720-R
Power source	Battery Powered
Product Style	Heat Alarm
UPC	816317006228
Unit Count	1.0 count

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