Smoke Alarm Battery Operated 120 Volt on sale, construction electrical supplies
Returns & Exchanges within 30 days30-day hassle-free returns
Money Back GuaranteeFull refund within 1-2 weeks of return receipt
Free ShippingEnjoy free shipping on orders over $59.
$23.15
✅ Shipping and returns
Shipping & Delivery
Store Pickup FREE
1-3 working days
Home Delivery or Collection Point from $59.00 FREE
Available on all orders for home delivery or collection point.
Returns
We accept returns and exchanges of unworn and unwashed items within 30 days of purchase (14 days during sales periods).
In-Store Returns FREE
Your return will usually be processed within 7-10 days. We’ll send you a Return Notification email once the return is completed. Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
“FIRST ALERT” SMOKE ALARM
- 120V AC/DC
- Easily expand an existing interconnected 120V AC system by replacing one alarm in the series with this alarm
- Add additional battery operated First Alert Onelink enabled alarms to expand without wires
- Photoelectric smoke alarm reduces nuisance alarms
- Alarm and low battery silence feature
- 10 year limited warranty
| Brand |
First Alert |
|---|---|
| MPN |
SA521CN-3ST |
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