# PetSafe SmartDoor Connected Pet Door (Large)

*PetSafe / ZPA19-17253*

> The PetSafe SmartDoor Connected Pet Door in the Large size is a Wi-Fi pet door for pets up to 100 lb. It opens for a collar key and is controlled in the My PetSafe app.

- Canonical page: https://smarthomecanon.com/devices/petsafe-smartdoor-connected-large
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | PetSafe |
| Category | Pet door |
| Model numbers | ZPA19-17253 |
| Status | Current[^1][^2] |
| Kind | Pet door with collar key[^1] |
| Pets | Pets up to 100 lb[^1] |
| Flap | 11.9 in W x 16.1 in H[^1] |
| Frame | 16.5 in W x 23.1 in H[^1] |
| Cutout | 13.2 in W x 19.1 in H (non-metal door); 14.8 in W x 21.5 in H (metal door)[^1] |
| Power | 4 D-cell alkaline batteries, or the SmartDoor Power Adaptor (sold separately)[^1] |
| Access | Collar key; microchips work only with the Medium size[^1] |
| App | My PetSafe app[^1] |
| Seal | Dynamic weather sealing and multi-point locking[^1] |

## Integration paths

**How the PetSafe SmartDoor Connected Pet Door (Large) connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | My PetSafe app, Wi-Fi network[^1] | unknown | unknown |

## Related pages

- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)

## Sources

[^1]: PetSafe SmartDoor Connected Pet Door. https://www.petsafe.com/product/smartdoor-connected (manufacturer, checked 2026-10-20)
[^2]: PetSafe SmartDoor Connected Pet Door Large. https://www.petsafe.com/p/smartdoor-connected/ZPA19-17253 (manufacturer, checked 2026-10-20)