# SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life

## Details

- **Price:** 19.52 USD - 199.15 USD
- **Vendor:** Siterwell
- **Tags:** 10-Year Battery, AA Battery, Smoke alarms, Standalone

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 1 Pack | 19.52 USD | In stock |
| 2 Pack | 37.10 USD | In stock |
| 4 Pack | 72.63 USD | In stock |
| 5 Pack | 89.81 USD | In stock |
| 6 Pack | 106.60 USD | In stock |
| 8 Pack | 132.77 USD | In stock |
| 10 Pack | 165.96 USD | In stock |
| 12 Pack | 199.15 USD | In stock |

## Images

- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life
- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life
- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life
- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life
- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life
- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life
- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life
- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life
- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life
- SITERWELL GS509A UL217 Listed Smoke Alarm (Detector) with Magnetic Fastening Kit | 10 Year Product Life

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> Source: [siterwell.us](https://store.siterwellhome.com/products/gs509a-photoelectric-smoke-detector)
> Updated: 2026-08-20