Mains Powered Heat Alarm with Back-Up Battery - Kidde Firex KF30

£28.79 inc VAT
£23.99 ex VAT
Product Overview

Providing 70% more energy efficiency than previous Firex models, the Kidde Firex KF30 and KF30R heat alarms are mains powered with interlinking capabilities. These hard wired units have battery back-up cells which allows the alarm to function for a short time during the event of a power outage. The heat alarms can be interlinked with other units from the series to create all round fire protection within the home and are ideal for kitchens and garages.

  • 230V hard-wired heat alarm
  • 9V alkaline or lithium back-up battery options
  • Up to 70% more energy efficient than previous Firex models
  • 6 year warranty
  • A maximum of 24 units can be interlinked via signal cable
  • Suitable for installations complying to BS 5839-6: 2019 Grade D1 (lithium) or Grade D2 (alkaline)
  • Kitemarked to BS 5446-2: 2003
  • CE marked
  • LED display
  • Test/Hush button
  • Low battery warning chirp – can be silenced for 8 hours
  • Heat alarms reduce the number of false alarms from cooking fumes and dust
  • The units are designed for installation in kitchens and garages
  • Supplied with free dust cover (to protect unit temporarily if you carry out dusty work)
  • Supplied with fixings: 2 x screws and 2 x rawl plugs

Please Note: The Kidde Firex KF30 (previously the Kidde 4899 / KF3) and KF30R (previously the Kidde 4892 / KF3R) are replacements for the Kidde 3239HI  and Kidde 3239HILL can be interlinked however the new models cannot be used on the same base plates and use different connector blocks.

Interlink

The table below shows all the units that can interlink with the KF30 and KF30R

Model Number
Type of unit
Type of interlink
KEKF20
Optical Alarm
Hard wire interlink
KEKF20R
Optical Alarm with Rechargeable Lithium Cell
Hard wire interlink
KEKF30
Heat Alarm
Hard wire interlink
KEKF30R
Heat Alarm with Rechargeable Lithium Cell
Hard wire interlink
KEKF10
Ionisation Alarm
Hard wire interlink
KEKF10R
Ionisation Alarm with Rechargeable Lithium Cell
Hard wire interlink
KEKF2
Optical Alarm
Hard wire interlink
KEKF2R
Optical Alarm with Rechargeable Lithium Cell
Hard wire interlink
KEKF3
Heat Alarm
Hard wire interlink
KEKF3R
Heat Alarm with Rechargeable Lithium Cell
Hard wire interlink
KEKF1
Ionisation Alarm
Hard wire interlink
KEKF1R
Ionisation Alarm with Rechargeable Lithium Cell
Hard wire interlink

Carbon Monoxide Alarms

Model Number
Type of unit
Type of interlink
KE4MCO
CO Detector with Rechargeable Lithium Cell
Hard wire interlink

Compatible Alarms

Model Number
Type of unit
Type of interlink
KE1239HI
Ionisation Alarm with Alkaline Battery
Hard wire interlink
KE1239HILL
Ionisation Alarm with Lithium Battery
Hard wire interlink
KE2239HI
Optical Alarm with Alkaline Battery
Hard wire interlink
KE2239HILL
Optical Alarm with Lithium Battery
Hard wire interlink
KE3239HI
Heat Alarm with Alkaline Battery
Hard wire interlink
KE3239HILL
Heat Alarm with Lithium Battery
Hard wire interlink
I240C
Ionisation Alarm with Alkaline Battery
Hard wire interlink
PADC240
Optical Alarm with Alkaline Battery
Hard wire interlink
KE4973
Optical Alarm with Alkaline Battery
Hard wire interlink
KE4985
Optical Alarm with Lithium Battery
Hard wire interlink
KE4899
Heat Alarm with Alkaline Battery
Hard wire interlink
KE4892
Heat Alarm with Lithium Battery
Hard wire interlink
KE4870
Ionisation Alarm with Alkaline Battery
Hard wire interlink
KE4881
Ionisation Alarm with Lithium Battery
Hard wire interlink
Technical Data
Product Code
Kidde KF30 - Alkaline Battery Backup KEKF30-FAP
Kidde KF30R - Rechargeable Lithium Battery Backup KEKF30R-FAP
Brand Kidde
Back-Up Battery

KF30: 9V Alkaline

KF30R: Longlife Lithium

Dimensions (HxDia)

38x138mm

Operating Temperature

0° to +40°C

Sound Output

85dB

Weight 0.40kg
Product Datasheets

Pricing & Availability

Model Stock Price
Kidde KF30 - Alkaline Battery Backup
Product Code: KEKF30-FAP
Stock Level:
More than 20 in stock Expected dispatch: 28th Sep
Price:

£28.79 inc VAT

£23.99 ex VAT

Kidde KF30R - Rechargeable Lithium Battery Backup
Product Code: KEKF30R-FAP
Stock Level:
Discontinued Product
Price:

£42.95 inc VAT

£35.79 ex VAT

Delivery Options

The following delivery options are available on this product.

Economy Delivery

£4.79 inc VAT - Orders will be delivered in 3-5 working days by Hermes

Express Delivery

£7.91 inc VAT - Orders will be delivered in 1-2 working days by Hermes

Looking for more information?

If you have any questions or would like more information about this product you can ask one of our specialists.

Live Chat Available Now
Direct Telephone 01507 464181

Cookies

Close close

This site uses cookies to improve your experience and for essential functioning of the site. By continuing to use our site you agree to the use of cookies.

Change your cookie settings at any time by clicking on the button at the bottom of each page. Read more about the cookies we use in our Privacy Policy.

By continuing to browse this site you agree to the use of cookies. Read our privacy policy to learn more.