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Home Assistant TestFlight
IVT

IVT K40 RF gateway

Bridges and Hubs · And More

Won’t be supportedCloud

1 report: 1 says it can’t be supported.

Reported with 1 integration: Bosch thermostat.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Bosch thermostatWon’t be supported CloudUnknown error on XMPP; maintainers pointed to bosch-homecom-hass
Saved copy
I am trying to connect my IVT heat pump gateway (model K40 RF) to Home Assistant. Despite using valid credentials (Login/Pass from the device label), I am encountering "Unknown error" when using XMPP configuration. Gateway ID:102013396 Model identified by Fing: K40RF-051441 I have attached screenshots of the configuration and errors. Could you please advise how to proceed or if additional logs are needed to add support for this device?

Excerpt saved from GitHub on 2026-10-23.

Issue #559 · 2026-05

Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.

In ReReHome

Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.

Identifiers

BrandIVT
ModelK40 RF
CategoryBridges and Hubs