The First Alert CO250RVA RV-Approved CO Alarm is a state-of-the-art carbon monoxide alarm designed to provide early warning of the presence of carbon monoxide. It features an electrochemical carbon monoxide sensor, an 85dB horn, a full-function test switch, a red LED light that indicates DC power or alarm, and a 9V alkaline battery. This alarm has two silence features. Low Battery Silence temporarily silences the low battery chirp for up to eight hours. Alarm Silence silences the alarm for several minutes. It also features a tamper-resistant locking pin that locks the alarm cover to prevent removal of battery. Perfect for RV use.
Original BRK Replacement CO Alarm – Replaces the original BRK alarm that came with your RV (model CO250RVA).
Hinged Cover Design – Allows for fast, easy installation and battery replacement.
Silence Feature – Silence unwanted alarms. Test alarm with the same button.
Tamper-Resistant Locking Pin – Locks alarm to base to prevent removal of battery.
• Approved for use in recreational vehicles
• 9V alkaline battery included
• 10-Year Limited Warranty
Before You Order
Verify part number 1039885 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 1039885 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.






