Home Assistant
Generic thermostat water heater (60C)
Thermostats · Climate
Partly worksApple Home issues
1 report: 1 says it partly works.
Reported on r/homeassistant with generic_thermostat.
What people report
| Integration | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| generic_thermostat | Partly works | Partly in Home Max temperature capped by HomeKit spec limits | HomeKit limits set to spec; upper bound later raised to 200Saved copyThe problem With the changes in 0.109.0b0 it looks like a max temp of 38C has been hard coded to the HomeKit side of things, while that seems reasonable/sane, unfortunately it has broken my control of a climate entity for me which can go up to 60C. My climate entity is physically a water heater created in Home Assistant as a generic thermostat (you can't create generic/template water heaters... so yeah) ## Environment - Home Assistant Core release with the issue: 0.109.0b0 - Last working Home Assistant Core release (if known): 0.108.x - Operating environment (Home … Excerpt saved from GitHub on 2026-10-23. | Issue #34603 · 2020-04 |
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
| Brand | Home Assistant |
|---|---|
| Category | Thermostats |


