How to Pick the Perfect Furnace
In most cold climates, forced air heating has replaced steam and hot water syst...
Hover to zoom
1 Of 5
+
Share This Product
Features
- Tamper Resistant
- Featuring a tamper resistant locking pin, the First Alert CO250B prevents removal of the battery, making it perfect for apartments, hotels or dorms.
- Alarm Reset
- The First Alert CO250B will automatically reset when the carbon monoxide gas clears.
Keeping your home and family safe since 1958, First Alert is built on reliability, quality and trustworthiness. Continuing to create innovative products, you can count on First Alert to make your home a safer place. With an electrochemical sensor for carbon monoxide, the Smoke and Carbon Monoxide Alarm features comprehensive protection. Featuring an End of Life Signal, you will get audible notification when it's time to replace your alarm.
Specifications
CO250B
General Information
Type
Carbon Monoxide Alarm
Power Source
Battery
Interconnectable
No
Sensor Type
Sensor Type
Electrochemical sensors detect Carbon Monoxide gases in your home. Photoelectric sensors detect visible fire particles that can be associated with a slow smoldering fire. Ionization sensors detect invisible fire particles that can be associated with fast flaming fires.
Electrochemical
UPC
29054003928
Performance
Minimum Operating Temperature
40 F
Maximum Operating Temperature
100 F
Maximum Sound Level
Maximum Sound Level
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB. Learn More
85 dB
Electrical Data
Battery Type
9V
Dimensions
Product Height
4 1/4 Inches
Product Width
4 1/4 Inches
Product Depth
1 29/48 Inches
Product Weight
1 Pound
Warranty Information
Warranty
Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
7 Years
Reviews
First Alert CO250B Reviews & Ratings
Be the First to Write a Review
Do you own this product?
Please share your insights with fellow shoppers.
Please share your insights with fellow shoppers.
Recommended Accessories
Expert Recommended Accessories
Selected by Bob, our Expert
Required Accessories
9
These accessories are required to properly setup/install this product.
Optional Accessories
10
How-To Articles
Choosing Between a Furnace and a Heat Pump
The battle between furnaces and heat pumps is hot right now. Although most Amer...
An Overview of Furnace Features
Most American homes use a central forced-air system to heat and cool their home...
Manuals
+
Ask A Question!
*Required Fields
+
Thank You For Submitting Your Question
Your submission has been sent successfully. Please give our experts up to two business days to respond.
Media Gallery
First Alert - Carbon Monoxide Alarm - Battery Operated
Customer Review Images
