Skip to content
Free Local Pickup ● Ship to Your Hometown Store
Pro & Contractor Accounts ● Apply for Net Terms
100,000+ Products ● Trusted American Hardware Brands
FAQ Shipping & Returns Order Lookup Contact Account
Shop the Collection
Shop Local. Support Independent. 20 products available

Combo Smoke & CO Alarms

Browse combo smoke & co alarms from the trusted brands you know — sourced through the same distribution network that supplies thousands of independent hardware stores nationwide. Every order helps keep them on the corner.

Trusted brands only Ships nationwide Pro accounts welcome Support your local hardware store
20 products Same-day shipping cutoff: 11 AM PT
First Alert Slim Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector 1 each
Ships Today

First Alert

First Alert Slim Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector 1 each

MPN: 1046793

$46.99
View Details
First Alert Hard-Wired w/Battery Back-Up Photoelectric Smoke and Carbon Monoxide Detector 1 each
Ships Today

First Alert

First Alert Hard-Wired w/Battery Back-Up Photoelectric Smoke and Carbon Monoxide Detector 1 each

MPN: 1046790

$89.99
View Details
First Alert SC5 Wifi Battery-Powered Electrochemical/Photoelectric Smoke and Carbon Monoxide Detecto
Ships Today

First Alert

First Alert SC5 Wifi Battery-Powered Electrochemical/Photoelectric Smoke and Carbon Monoxide Detecto

MPN: FSMCO600NVCL1

$129.99
View Details
BRK SMICO105-AC Hard-Wired w/Battery Back-Up Ionization Smoke/Carbon Monoxide Combo Pack 6 pk
Ships Today

First Alert

BRK SMICO105-AC Hard-Wired w/Battery Back-Up Ionization Smoke/Carbon Monoxide Combo Pack 6 pk

MPN: 1046885

$379.99
View Details
First Alert Voice and Location Alerts Battery-Powered Electrochemical/Photoelectric Smoke and Carbon
Ships Today

First Alert

First Alert Voice and Location Alerts Battery-Powered Electrochemical/Photoelectric Smoke and Carbon

MPN: 1046795

$54.99
View Details
First Alert SC5 Wifi Hard-Wired w/Battery Back-Up Electrochemical/Photoelectric Smoke and Carbon Mon
Ships Today

First Alert

First Alert SC5 Wifi Hard-Wired w/Battery Back-Up Electrochemical/Photoelectric Smoke and Carbon Mon

MPN: FSMCO600NVACCL1

$129.99
View Details
First Alert Battery-Powered Ionization Smoke and Carbon Monoxide Detector 1 each
Ships Today

First Alert

First Alert Battery-Powered Ionization Smoke and Carbon Monoxide Detector 1 each

MPN: 1046862

$38.99
View Details
BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector 1 each
Ships Today

Brk

BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector 1 each

MPN: 1046864

$38.99
View Details
First Alert Battery-Powered Ionization Smoke and Carbon Monoxide Combination Pack 2 each
Ships Today

First Alert

First Alert Battery-Powered Ionization Smoke and Carbon Monoxide Combination Pack 2 each

MPN: 1046718

$39.99
View Details
First Alert Slim Battery-Powered Electrochemical/Photoelectric Smoke and Carbon Monoxide Detector 1
Ships Today

First Alert

First Alert Slim Battery-Powered Electrochemical/Photoelectric Smoke and Carbon Monoxide Detector 1

MPN: 1046796

$56.99
View Details
First Alert Battery-Powered Electrochemical/Photoelectric Smoke and Carbon Monoxide Detector 2 pk
Ships Today

First Alert

First Alert Battery-Powered Electrochemical/Photoelectric Smoke and Carbon Monoxide Detector 2 pk

MPN: 1048447

$99.99
View Details
First Alert Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector 1 each
Ships Today

First Alert

First Alert Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector 1 each

MPN: 1046869

$69.99
View Details
First Alert 10 Year Battery-Powered Ionization Smoke and Carbon Monoxide Detector 1 each
Ships Today

First Alert

First Alert 10 Year Battery-Powered Ionization Smoke and Carbon Monoxide Detector 1 each

MPN: 1046888

$44.99
View Details
BRK Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector 6 pk
Ships Today

Brk

BRK Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector 6 pk

MPN: 1046873

$329.99
View Details
BRK 10-year Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector 6 pk
Ships Today

Brk

BRK 10-year Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector 6 pk

MPN: 1046801

$289.99
View Details
First Alert Battery-Powered Photoelectric Smoke and Carbon Monoxide Combination Pack 2 each
Ships Today

First Alert

First Alert Battery-Powered Photoelectric Smoke and Carbon Monoxide Combination Pack 2 each

MPN: 1046743

$48.99
View Details
BRK Voice and Location Alerts Hard-Wired w/Battery Back-Up Electrochemical/Photoelectric Smoke and C
Ships Today

Brk

BRK Voice and Location Alerts Hard-Wired w/Battery Back-Up Electrochemical/Photoelectric Smoke and C

MPN: 1046781

$72.99
View Details
First Alert 10 Year Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector 1 eac
Ships Today

First Alert

First Alert 10 Year Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector 1 eac

MPN: 1046882

$72.99
View Details
First Alert 10 Year Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector 1 each
Ships Today

First Alert

First Alert 10 Year Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector 1 each

MPN: 1046803

$69.99
View Details
BRK Hard-Wired Ionization Smoke and Carbon Monoxide Detector 1 each
Ships Today

Brk

BRK Hard-Wired Ionization Smoke and Carbon Monoxide Detector 1 each

MPN: 1046870

$66.99
View Details
Shop Local

Find these products at your local store.

Independent hardware retailers often carry the same products — sometimes at competitive prices. Every order helps keep them on the corner.

Why we built NHG →
For Pros & Businesses

Buying for a business? Get the pro treatment.

  • Net 30 terms
  • Volume & contract pricing
  • Gov & compliance ready
Apply for a Pro Account
Need a hand?

Real people. Real hardware experience.

Questions about fit, compatibility, or job requirements? Reach a real person — not a chatbot or contracted call center.

(866) 469-8556 Mon–Fri, 6 AM–5 PM PST Text (425) 515-2727 24/7 intake · next business day reply Send a message Routed to the right team based on your inquiry

Ask our counter. Or theirs.

Most hardware stores can do more than you think. If we can't help you, the folks down the street probably can — just ask at the counter.

What we offer
Free Local Pickup Ship to your hometown store
Pro & Gov Accounts Net terms · tax-exempt
Ships Nationwide From our distribution network
Independent Network Real hardware stores
$0.68 of every dollar spent at a local independent business stays in the community. At a national chain, it's about fifteen cents. Civic Economics, multi-city retail studies
Their Counter
Try local first · we'll wait

The stores we send you to are local and independently run — often for generations, the kind of place where someone behind the counter knows the regulars. We don't own them. We just think they deserve the foot traffic. They can put most of what we sell on their next truck. Ask there before you check out here.

Find a local store →
Mon–Fri 6–5 PST
Independent hardware retailer? Join the network →
About our directory. National Hardware Group is an independent retailer and directory. The local stores we list and link to are separately owned and operated — we have no ownership stake in any of them, and most pay us nothing to be included. That includes plenty of stores flying a co-op banner that people don't realize are locally owned and run, not operated by a corporation. Store owners can choose to upgrade their listing for an enhanced presence or pickup features, but the base directory is free, and inclusion is never a paid endorsement.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare