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25 lines
843 B
Markdown
25 lines
843 B
Markdown
---
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layout: page
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title: "OpenTherm Gateway Binary Sensor"
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description: "Expose internal data from the OpenTherm Gateway."
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date: 2018-10-19 18:23
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sidebar: true
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comments: false
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sharing: true
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footer: true
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logo: opentherm.png
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ha_category: Binary Sensor
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ha_release: 0.81
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ha_iot_class: "Local Push"
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---
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The `opentherm_gw` binary sensor platform is used to expose internal data from the [OpenTherm Gateway](http://otgw.tclcode.com/) in Home Assistant.
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# {% linkable_title Configuration %}
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Configuration of this platform is achieved through the [OpenTherm Gateway Hub](/components/opentherm_gw/) configuration.
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<p class='note'>
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The OpenTherm protocol is based on polling. The thermostat sends requests to the boiler at specific intervals. As a result, it may take some time for changes to propagate between Home Assistant and the thermostat.
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</p>
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