have aico el141 alarm is it compatable with el141rc as do not want to change base

Contrary to the other answers here, I could not get these to fit, and ended up having to replace the bases too (which, fortunately is a straightforward job). With the old bases removed from the ceiling, one of the two alarms I was replacing could just about be forced on, but certainly not when it was attached to the ceiling.

I am due to replace 2 mains heat alarms model ei144. is it possible to use existing base to replace one with ei141rc mains smoke alarm

Hi. As others have said, the existing base should work fine with the replacements. As far as I know (but I might be wrong!) the triggering of the second alarm if one goes off will only happen if an extra wire (interconnect) is already in place between the two devices.

Does this fire alarm also detect carbon monoxide?

This fire alarm does NOT detect poisonous carbon monoxide.

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EI141RC Mains Ionisation Smoke Alarm with 9V Battery Back-up

EI141RC Mains Ionisation Smoke Alarm with 9V Battery Back-up

Product ID: 50434202

Details

Alarm
Audible
Brand
Aico
Colour
White
Item weight
100 Grams
Manufacturer
AICO
Number of items
1

⚡230/240V mains powered

🔋9V battery backup lasts 4 years standby

🔗Interconnects up to 20 alarms

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Description

🔥 Stay ahead of danger with smart, seamless smoke detection ⚡

MEMORY RECALL - Alarm remembers previous activations to keep you informed
CERTIFIED RELIABILITY - Kitemarked to BS EN14604:2005 for trusted, professional-grade fire safety
USER FRIENDLY CONTROL - Built-in test and hush button with one-person test feature for effortless maintenance
SMART INTERCONNECTIVITY - Link up to 20 alarms so the whole home alerts simultaneously
UNINTERRUPTED SAFETY POWER - Mains powered with 9V battery backup ensures protection even during outages

The EI141RC Ionisation Smoke Alarm combines mains power with a 9V alkaline battery backup lasting up to 4 years standby, ensuring continuous protection. It interconnects with up to 20 alarms via hard wiring or wireless bases, features a memory function to indicate past alarms, and includes user-friendly test and hush buttons. Certified to BS EN14604:2005, it’s designed for reliable detection of flaming fires, ideal for bedrooms and professional-grade home safety.

Specifications

ASIN	B00344146I
Alarm	Audible
Best Sellers Rank	143,980 in DIY & Tools ( See Top 100 in DIY & Tools ) 246 in Smoke Alarms
Brand	Aico
Colour	White
Country of Origin	United Kingdom
Customer Reviews	4.7 4.7 out of 5 stars (2,334)
Included Components	ei141
Item Type Name	ei141
Item Weight	100 Grams
Manufacturer	AICO
Model Number	EI141RC
Number of Items	1
Part Number	EI141
Power source	AC/DC
Product Style	Back Up
Sensor Type	Ionization
Unit Count	300.0 gram

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