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Description
Kidde Firex 1x KF20R Optical Smoke & 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-UpKidde Firex 1x KF20R Optical Smoke & 1x KF30R Heat Alarm Kit Mains Powered with Sealed In Rechargeable Battery Back Up FULLY COMPLY WITH THE NEW 2022 SCOTTISH & WELSH REGULATIONS 1x Mains Powered Optical Smoke Alarm (KF20R): Mains Optical Smoke Alarm Features: Mains powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat. Once interlinked, the detection of the relevant danger by
Kidde Firex 1x KF20R Optical Smoke & 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up
FULLY COMPLY WITH THE NEW 2022 SCOTTISH & WELSH REGULATIONS
1x Mains Powered Optical Smoke Alarm (KF20R):
Mains Optical Smoke Alarm Features:
Mains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.
Once interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.
Optical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.
This mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).
- Interlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected
- Alarm memory – identifies source unit within interconnecting network
- Combined Test/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms
- Auto reset after activation
- Tamper-resistant locking device – prevents unauthorised removal without the use of a tool
- Mains operation – Built-in rechargeable Lithium back-up tamper-proof battery
Mains Optical Smoke Alarm Specification:
- Model KF20R
- Power Supply 230V mains-powered with built in rechargeable lithium battery back up
- Temperature Range 0ºC to + 40ºC
- Humidity Range Up to 93% Relative Humidity (RH) non-condensing
- Storage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing
- Alarm Dimensions 127 x 127 x 39mm
- Bracket Dimensions 133 x 133 x 6mm
- Alarm Weight 242g
- Warranty 6 years
- Approvals BSI certified to BS EN14604:2005
- CE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh
- Chamber Size 35mm outside diameter x 16mm depth approximate (external)
- Detection Band Infrared light wavelength
- Button Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder
- Automatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected
- Supply Voltage 230V AC, 50 Hz (nominal UK voltage)
- Power Consumption < 15mA
- Connection Push-in/snap-fit type connector with 150mm long flying leads (supplied)
- Battery Back-up User-replaceable alkaline 9V battery (522/6LR61)
- Power-on Indicator Continuous green LED
- Alarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts
- Sound Output 85dB (A) minimum at 3 metres
- Alarm Frequency 3.2 kHz typical
- Dust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm
- Alarm Status Red LED flashes approx once every five minutes = normal operation
- Red LED flashes once a second = sensing smoke (sounder alarm sounds)
- Red LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)
- Interconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)
- Optional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units
- Optional Pattresses SMK23RU also has integral switchable relay for operating remote devices
- SMK4896 – Surface mounting base for added ease of installation
- Fixing Mounting bracket ring supplied with two ‘T’ slot fitting option
- 57mm spacing to a maximum of 90mm for standard screw fittings on back boxes
- Bracket has 50mm diameter central access hole for cabling
- Plastics used NORYL – Cover, main body and mounting bracket
- Lead-Free Status All Firex alarms are lead-free
1x Mains Powered Heat Alarm (KF30R):
Mains Heat Alarm Features:
Mains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.
Once interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.
Mains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.
The Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).
- Interlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected
- Alarm memory – identifies source unit within interconnecting network
- Combined Test/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms
- Auto reset after activation
- Tamper-resistant locking device – prevents unauthorised removal without the use of a tool
- Mains operation – Built-in rechargeable Lithium back-up tamper-proof battery
Mains Heat Alarm Specification:
- Model KF30R
- Power Supply 230V mains-powered with rechargeable Lithium battery back-up
- Temperature Range 0ºC to + 40ºC
- Humidity Range Up to 93% Relative Humidity (RH) non-condensing
- Storage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing
- Alarm Dimensions 127 x 127 x 39mm (not including heat sensor guard)
- Bracket Dimensions 133 x 133 x 6mm
- Alarm Weight 180g
- Warranty 6 years (including battery)
- Approvals BSI certified to BS5446 Part 2: 2003
- CE tested and certified
- Sensor Thermistor (Thermal Resistor) within detection unit
- Button Test Simulates the effect of heat at the sensor, checks electronics and sounder
- Automatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected
- Supply Voltage 230V AC, 50 Hz (nominal UK voltage)
- Power Consumption < 15mA
- Connection Push-in/snap-fit type connector with 150mm long flying leads (supplied)
- Battery Back-up Non user-replaceable 3 x 3V rechargeable Lithium Aluminium Alloy / Magnesium Composite
- Oxide cells (ML2430)
- Power-on Indicator Continuous green LED
- Alarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts
- Sound Output 85dB (A) minimum at 3 metres
- Alarm Frequency 3.2 kHz typical
- Alarm Status Red LED flashes approx once every five minutes = normal operation
- Red LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)
- Interconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)
- Optional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units
- Optional Pattresses SMK23RU also has integral switchable relay for operating remote devices
- SMK4896 – Surface mounting base for added ease of installation
- Fixing Mounting bracket ring supplied with two ‘T’ slot fitting option
- 57mm spacing to a maximum of 90mm for standard screw fittings on back boxes
- Bracket has 50mm diameter central access hole for cabling
- Plastics used NORYL – Cover, main body and mounting bracket
- Lead-Free Status All Firex alarms are lead-free
Please note: Alarms are sold individually.
Data Sheet:
Data Sheet for KF20RData Sheet for KF30R
Instruction Manual:
Instruction Manual for KF20RInstruction Manual for KF30R
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.7 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Haunting Humanity lurks in war’s reactions.
Format: Kindle
The poem moves efficiently through the myriad experiences that result from deadly conflict with a nameless and menacing enemy.
I kept thinking I was reading a rendering of Kafka with the haunting glimpses of the horror of permanent victim hood.
Now I must study the Deaf Republic and hope for understanding.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 6, 2025
★★★★★ 5
Beautifully written.
Format: Paperback
I read this book in one sitting and discovered that tears are included with purchase. Story is broken up into acts, like a play, and is told completely in verse. Sign language images accompany several of the poems.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2025
★★★★★ 5
What is silence? Something of the sky in us.
Format: Paperback
Maybe the best poetry collection I've ever read. I rarely enjoy an entire collection. I usually like individual poems or even individual lines within a poem. Deaf Republic is a masterpiece. If I ever meet Ilya Kaminsky in real life, I might cry.
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Reviewed in the United States on July 23, 2023
★★★★★ 5
Worth the hype on NPR that led me here--I've found my new favorite book!
Format: Hardcover
As an Asian-American creative, I knew I'd love this when I first read a positive review for this online, and I was not disappointed once! The perspective is so unique--a Chinese girl in 1800s Georgia!--and the writing's mesmerizing. I wished this book could never end, and LOVED it for so many reasons:
The quick version:
-Have you ever read anything about Chinese-Americans living in the Reconstructionist South? Thought not. This book provides such a necessary historical lens into highly underrepresented people and untold stories--and does it with remarkable talent and grace. This alone is worth heavy consideration.
-Jo is a protagonist you can't help admiring - she's witty, a nonconformist by circumstance and by choice, and unafraid of getting back a little (or a lot) at people who've done her wrong.
-The narrative voice is unlike any I've ever seen before ("Mischief dangles from his smile") and there are great humorous moments.
-Great pun one-liners here and there - even Yours Truly, who admits to hating puns, likes how they're done here.
-A wonderful and dynamic supporting cast, including Jo's wry adoptive father, a socialite who reveals her cleverness with pepper, an enigmatic Southern Belle who becomes Jo's employer for the second time, and a stout-of-heart black boy that'll melt your cold dead heart. Also a very enthusiastic herding dog.
-A climax that honestly almost moved me to tears from the poignancy, but also the deep symbolism of how Jo's actions come to stand for so, so much more in those several pages.
-If you like to learn cool new words, you'll definitely learn a few by reading this.
-On a personal note, I was ecstatic to find references to Chinese knotting and barley tea, which I've grown up with, but never encountered in print before.
Stacey Lee isn't afraid to show how difficult it was to be Asian-American in post-Civil War Georgia: In the opening scene, Jo is fired from her job at a hat shop because of her ethnicity. Due to the Chinese Exclusion Act in effect at the time, Jo and her adoptive father are legally not US citizens and cannot even own land or rent; they're forced to live secretly as squatters in the basement of a family who prints a struggling local newspaper.
We also see realistic depictions of other social issues, like the initial implementation of segregation laws (which confuses Jo and her father, as they're neither black nor white), the erecting of Confederate statues, calls for women's suffrage (as well as the emergence of modern bicycles) treated with derision by many women who think the idea foolish, and white suffragists rejecting black women who support their ideals.
In all seriousness, get this book. If you have kids, get this for your kids. I rarely write book reviews, but I'm breaking the pattern because this novel is THAT good.
Come for the incredibly unique historical perspective that's surely the first of its kind ever published and shines a spotlight on sorely underwritten stories.
Stay for Jo's incredible strength, role model-ism, one-of-a-kind journey, and how her story reminds us all not just of the power of devastatingly clever puns, but the power that words give all of us in finding who we are and making the world a better place.
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Reviewed in the United States on September 25, 2019
★★★★★ 4
"Luck rides a horse named Joy"
Format: Kindle
What a delightful book! I was constantly rooting for the protagonist, Jo. She grew up without a true mother or father but found guidance and love with a Chinese man named Old Gin. They both found work with an aristocratic family as servants, while living secretly in the basement of a printing company. It was there that Jo learned to read and write through listening to the family who owned the printing press upstairs. She discovers the paper they publish, The Focus is in trouble and decides to help them out by secretly writing a column under the name Miss Sweetie. An adventure begins and secrets are revealed, but Jo emerges as a local hero as a result.
I loved the author's prose and they way she incorporated Chinese anecdotes. I laughed out loud and cried in equal measure.
It is a story about overcoming the struggle of race and poverty, but also about love and fighting for what you believe in. I highly recommend if your in the mood for something uplifting to read.
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Reviewed in the United States on May 14, 2021