Ok donc ce que tu veux c’est que le 19.5 soit une valeur de HA …
Le premier noeud s’active quand la sonde envoie la température (info dans msg.payload)
Le deuxième lit la consigne (info dans msg.consigne)
Le troisième fait le test de comparaison de msg.payload <=> msg.consigne
Et le debug montre la construction du msg
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