Petkit Pura Max
ESP32 Device
The Pura Max runs on an ESP32 chip and supports firmware updates over the air (OTA).
The Petkit Pura Max is an automatic self-cleaning litter box. Localkit exposes its full feature set as Home Assistant entities via MQTT.
Supported Features
- [x] Auto cleaning cycle
- [x] Manual cleaning control
- [x] Maintenance mode
- [x] K3 odor spray integration
- [x] Litter monitoring (weight, fill level, usage count)
- [x] N50 deodorizer filter tracking
- [x] Do-not-disturb scheduling
- [x] Kitten protection mode
- [x] Error reporting
Actions (Buttons)
These appear as Button entities in Home Assistant.
| Name | Description |
|---|---|
| Cleaning Start | Starts a cleaning cycle |
| Dump Litter | Empties the litter drawer |
| Maintenance Start | Enters maintenance mode (drum stays open) |
| Maintenance Stop | Exits maintenance mode |
| Odour Start | Activates the built-in deodorizer |
| Lightning Start | Triggers the K3 spray device |
| Lightning Stop | Stops the K3 spray device |
| Reset N50 | Resets the N50 filter usage counter |
Sensors (Read-only)
These appear as Sensor entities in Home Assistant under the diagnostic category.
| Name | Technical Name | Unit | Description |
|---|---|---|---|
| Device Status | device_status | — | Current working state: IDLE, WORKING, CLEANING, MAINTENANCE, PET_IN |
| Error | error | — | Active error message, null when no error |
| Litter Weight | litter_weight | g | Current weight of litter in grams |
| Litter Percentage | litter_percent | % | How full the litter box is (0–100) |
| Used Times | used_times | — | Total number of uses since last reset |
| Next N50 Change in Days | durabilityInDays | d | Days remaining until the N50 deodorizer filter should be replaced |
Switches
These appear as Switch entities in Home Assistant under the config category.
| Name | Technical Name | Default | Description |
|---|---|---|---|
| Child Lock | manual_lock | Off | Locks the physical buttons on the device |
| Screen Display | display | Off | Turns the display/indicator light on or off |
| Auto Cleaning | auto_work | On | Automatically starts a cleaning cycle after each use |
| Uninterrupted Rotation | downpos | Off | Keeps the drum rotating without stopping mid-cycle |
| Avoid Repeated Cleaning | avoid_repeat | On | Prevents a new cleaning cycle from starting too soon after the last one |
| Disable Auto Cleaning for Light Weight | underweight | Off | Skips auto cleaning if the detected weight is below the threshold (avoids false triggers) |
| Kitten Protection | kitten | Off | Extends the wait time before cleaning to protect kittens that may re-enter the box |
| Do Not Disturb | disturb_mode | Off | Suppresses automatic cleaning during the configured quiet hours |
| Deep Cleaning | deep_clean | Off | Runs a more thorough cleaning cycle |
| Waste Covering | bury | Off | Rotates the drum briefly to cover waste before the full cleaning cycle |
Select Controls
These appear as Select entities in Home Assistant under the config category.
| Name | Technical Name | Options | Description |
|---|---|---|---|
| Litter Type | sand_type | Bentonite/Mineral (1), Tofu (2), Sand (3) | Adjusts sensor thresholds and cleaning behavior based on litter type |
| Unit | unit | Kilogram (0), Pound (1) | Weight display unit for the litter weight sensor |
| Language | language | English, German, Spanish, Chinese, Italian, Japanese, Portuguese, Turkish, Russian, French | Display language on the device screen |
Number Controls
These appear as Number entities in Home Assistant under the config category.
| Name | Technical Name | Range | Step | Default | Description |
|---|---|---|---|---|---|
| N50 Durability | n50Durability | 0–90 | 1 | 30 | Expected lifespan of the N50 filter in days. Used to calculate the next change reminder. |
K3 Integration
The Pura Max can be paired with a Petkit K3 Bluetooth odor spray device. Once paired, the K3 is triggered automatically after each cleaning cycle. Use the Lightning Start and Lightning Stop buttons to control the K3 manually, or use Link with K3 / Unlink from K3 actions to manage the pairing.