Add Sonoff TRVZB v1.4.4

[zigpy-bot]

OTA File Submission

File Information

• Filename: 1286-2007-00001404_fbc68d.ota
• Original Filename: trvzb_v1.4.4.ota
• Manufacturer (user provided): Sonoff
• Manufacturer Directory: sonoff
• Manufacturer ID: 0x1286 (4742)
• Image Type: 0x2007 (8199)
• File Version: 0x00001404 (5124)
• File Size: 332,220 bytes
• Header String: vers:00001404,00001301
• Hosting: Repository file (hosted in zigpy-ota)
• Existing Images Handling: Keep all existing images
• Tested on Device: Yes

Metadata

• Manufacturer Names: SONOFF
• Model Names: TRVZB
• Source URL: https://github.com/user-attachments/files/25085309/trvzb_v1.4.4.zip

Release Notes

This updates the Sonoff TRVZB to firmware version 1.4.44.

Changes
This release adds Adaptive Mode. It is a feature designed to minimize temperature fluctuations.
When enabled, the device dynamically adjusts the valve opening based on the temperature changes and the target temperature to maintain a more stable environment.

Note: Enabling Adaptive Mode will automatically disable Valve Opening Percentage and Temperature Accuracy.

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• Closes Add Sonoff TRVZB v1.4.4 #23
• Submitted by @1775939187

[Hedda]

@TheJulianJES should this be made available via the zigpy-ota beta channel now for BETA testing? Related to:

• Add Sonoff TRVZB adaptive mode zha-device-handlers#4740

Originally posted by @TheJulianJES in zigpy/zha-device-handlers#4740 (comment)

We'll also merge the OTA update then, likely tomorrow. At first, it'll be in the zigpy-ota beta channel.
We'll push it to the stable channel when 2026.3.0 is out, so everyone can also immediately use the new features with the updated built-in quirk. (The release notes mention the new adaptive mode, so it's good if it's also available to use/test then.)

[TheJulianJES]

Yes, almost. We'll bump the zigpy OTA schema version in both zigpy-ota and zigpy itself, as some Telink-based Sonoff devices require a bigger OTA block size, see: zigpy/zigpy#1781

When it's all done, the updates should be available in the stable channel for the final 2026.3.0 release. Unfortunately, the beta channel is not yet exposed via the HA UI, so only a handful of people are actually using it.

I have this device now, so I'll do some testing with the new quirk before the update is pushed out.