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

From: £23.99 ex VAT
£28.79 inc VAT
Product Overview

The updated Kidde Firex KF30 and KF30R alarms are mains powered interconnectable heat alarms that are up to 70% more energy efficient than previous Firex models. These hard wired units have battery back-up cells and can be interconnected with other units from the series to create all round fire protection within the home.  Heat alarms are the ideal detectors for kitchens and garages and are perfect for reducing nuisance alarms caused by cooking fumes and dust.

  • 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 interconnected via signal cable
  • Suitable for installations complying to BS 5839-6: 2013 Grade D, E and F
  • Kitemarked to BS EN 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 interconnected however the new models cannot be used on the same base plates and use different connector blocks.

Interconnection

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

Model Number
Type of unit
Type of interconnection
Optical Alarm
Hard wire interconnection
Optical Alarm with Rechargeable Lithium Cell
Hard wire interconnection
Heat Alarm
Hard wire interconnection
Heat Alarm with Rechargeable Lithium Cell
Hard wire interconnection
Ionisation Alarm
Hard wire interconnection
Ionisation Alarm with Rechargeable Lithium Cell
Hard wire interconnection
KEKF2
Optical Alarm
Hard wire interconnection
KEKF2R
Optical Alarm with Rechargeable Lithium Cell
Hard wire interconnection
KEKF3
Heat Alarm
Hard wire interconnection
KEKF3R
Heat Alarm with Rechargeable Lithium Cell
Hard wire interconnection
KEKF1
Ionisation Alarm
Hard wire interconnection
KEKF1R
Ionisation Alarm with Rechargeable Lithium Cell
Hard wire interconnection
Carbon Monoxide Alarms
Model Number
Type of unit
Type of interconnection
CO Detector with Rechargeable Lithium Cell
Hard wire interconnection
Compatible Alarms
Model Number
Type of unit
Type of interconnection
KE1239HI
Ionisation Alarm with Alkaline Battery
Hard wire interconnection
KE1239HILL
Ionisation Alarm with Lithium Battery
Hard wire interconnection
KE2239HI
Optical Alarm with Alkaline Battery
Hard wire interconnection
KE2239HILL
Optical Alarm with Lithium Battery
Hard wire interconnection
KE3239HI
Heat Alarm with Alkaline Battery
Hard wire interconnection
KE3239HILL
Heat Alarm with Lithium Battery
Hard wire interconnection
I240C
Ionisation Alarm with Alkaline Battery
Hard wire interconnection
PADC240
Optical Alarm with Alkaline Battery
Hard wire interconnection
KE4973
Optical Alarm with Alkaline Battery
Hard wire interconnection
KE4985
Optical Alarm with Lithium Battery
Hard wire interconnection
KE4899
Heat Alarm with Alkaline Battery
Hard wire interconnection
KE4892
Heat Alarm with Lithium Battery
Hard wire interconnection
KE4870
Ionisation Alarm with Alkaline Battery
Hard wire interconnection
KE4881
Ionisation Alarm with Lithium Battery
Hard wire interconnection
Technical Data

This is the technical data for the Mains Powered Heat Alarm with Back-Up Battery - Kidde Firex KF30.

Dimensions (HxDia) 38x138mm
Temperature Range 0° to +40°C
Sound Output 85dB (minimum) at 3m
Back-Up Battery KF30: 9V Alkaline
KF30R: Longlife Lithium

Technical Data Sheets

The following technical data sheets are available for this product:

Pricing & Availability

Model Stock Levels Price Weight
Kidde KF30 - Alkaline Battery Backup
Product Code: KEKF30
In Stock

£23.99 ex VAT

£28.79 inc VAT

0.40kg
Kidde KF30R - Rechargeable Lithium Battery Backup
Product Code: KEKF30R
Lead Time: 1–3 days

£35.79 ex VAT

£42.95 inc VAT

0.40kg

Customer Reviews

3 customers have rated this product and it has an overall rating of 4.3 out of 5

All our reviews are written by real customers that have purchased this product from us and are publsihed without modification.

4 / 5 Stars

Reviewed by: JW

More sensitive Seems more sensitive than the old one it replaced - kitchen one triggered by toaster which is irritating but safe I guess.

Published on: 29th June 2016

4 / 5 Stars

Reviewed by: JM

Good product at a very Good price.

Published on: 3rd April 2016

5 / 5 Stars

Reviewed by: -

Good service, happy with goods, would use again.

Published on: 15th January 2016

Delivery Options

The following delivery options are available on this product.

Economy Delivery

Delivered in 2-3 working days by Royal Mail from £3.90 ex VAT - More info

Next Day Delivery

Delivered the next working day by UK Mail from £6.50 ex VAT - More info

For delivery on order within

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