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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FA6720-R Heat Alarm/Detector for Kitchen with 10-Year Battery | 1-Pack, Heat Detector for Kitchen, Fire Alarm for Home, FireAngel HT-630 Replacement

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

311 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Denmark.

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Description

🔥 Stay cool, stay safe — kitchen heat detection redefined!

LONG LASTING POWER - 10-year sealed battery ensures uninterrupted protection with zero hassle.
SMART SILENCE FUNCTION - Mute false alerts instantly and sleep peacefully with 8-hour silence mode.
EFFORTLESS INSTALLATION - Quick twist-and-lock baseplate compatible with HT-630 for seamless replacements.
PRECISION HEAT DETECTION - Detects dangerous heat levels (54°C-65°C) without false alarms from cooking fumes.
CERTIFIED SAFETY ASSURANCE - CE & UKCA marked, BS 5446-2:2003 certified with a 5-year warranty for trusted reliability.

The FireAngel FA6720-R Heat Alarm is engineered for kitchens and humid, dusty spaces where smoke alarms fail. Featuring a precise heat detection range of 54°C to 65°C, it eliminates false alarms from cooking fumes. With a 10-year sealed battery, easy twist-fit installation, and smart silence mode, it offers reliable, low-maintenance fire safety. Certified to UK and European standards and backed by a 5-year warranty, it’s the essential upgrade for modern home safety.

Specifications

ASIN	B09WB44VSK
Alarm	Heat Alarm
Best Sellers Rank	735 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 (873)
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 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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311 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Denmark.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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