Hi folks
I have a sensor summing other sensors
storage_heater_power_phase1:
unique_id: b3dfeb09-73f5-42d7-b92f-3fc977bb4dd6
friendly_name: "Storage heaters phase1"
unit_of_measurement: 'W'
value_template: '{{ states("sensor.sutherland_storage_heater_power") | float + states("sensor.workshop_storage_heater_power") | float }}'
If one of the sensors goes offline, the sum sensor is also unavailable. How could I make it resilient to this, to return the value of the online sensor even if the other goes offline?
Many thanks in advance
Roger
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