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appliquer aveuglément la même valeur à toutes les installations."}],["$","p","8",{"className":"mb-5 leading-relaxed text-foreground/85","children":"La pression nécessaire dépend notamment de la hauteur entre la chaudière et le point le plus élevé du circuit."}],["$","h2","9",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"Pourquoi la pression monte-t-elle lorsque le chauffage fonctionne ?"}],["$","p","10",{"className":"mb-5 leading-relaxed text-foreground/85","children":"L'eau augmente de volume lorsqu'elle chauffe."}],["$","p","11",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Le circuit de chauffage dispose donc d'un vase d'expansion chargé d'absorber cette variation."}],["$","p","12",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Une légère augmentation de pression lorsque l'installation chauffe est normale."}],"$L19","$L1a","$L1b","$L1c","$L1d","$L1e","$L1f","$L20","$L21","$L22","$L23","$L24","$L25","$L26","$L27","$L28","$L29","$L2a","$L2b","$L2c","$L2d","$L2e","$L2f","$L30","$L31","$L32","$L33","$L34","$L35","$L36","$L37","$L38","$L39","$L3a","$L3b","$L3c","$L3d","$L3e","$L3f","$L40","$L41","$L42","$L43","$L44","$L45","$L46","$L47","$L48","$L49","$L4a"]}],"$L4b"]}]}],"$L4c","$L4d"]}] 19:["$","p","13",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Une augmentation très importante peut en revanche indiquer un problème."}] 1a:["$","h2","14",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"Cause n°1 : une fuite sur le circuit"}] 1b:["$","p","15",{"className":"mb-5 leading-relaxed text-foreground/85","children":"C'est l'une des premières choses à rechercher."}] 1c:["$","p","16",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Une fuite peut se trouver :"}] 1d:["$","ul","17",{"className":"space-y-2 mb-6 pl-1","children":[["$","li","0",{"className":"flex items-start gap-2 text-foreground/85","children":[["$","span",null,{"className":"mt-2.5 h-1.5 w-1.5 rounded-full bg-primary flex-shrink-0"}],["$","span",null,{"children":"sur un radiateur "}]]}],["$","li","1",{"className":"flex items-start gap-2 text-foreground/85","children":[["$","span",null,{"className":"mt-2.5 h-1.5 w-1.5 rounded-full bg-primary flex-shrink-0"}],["$","span",null,{"children":"au niveau d'un raccord "}]]}],["$","li","2",{"className":"flex items-start gap-2 text-foreground/85","children":[["$","span",null,{"className":"mt-2.5 h-1.5 w-1.5 rounded-full bg-primary flex-shrink-0"}],["$","span",null,{"children":"sur une vanne "}]]}],["$","li","3",{"className":"flex items-start gap-2 text-foreground/85","children":[["$","span",null,{"className":"mt-2.5 h-1.5 w-1.5 rounded-full bg-primary flex-shrink-0"}],["$","span",null,{"children":"sur une tuyauterie "}]]}],["$","li","4",{"className":"flex items-start gap-2 text-foreground/85","children":[["$","span",null,{"className":"mt-2.5 h-1.5 w-1.5 rounded-full bg-primary flex-shrink-0"}],["$","span",null,{"children":"sous la chaudière "}]]}],["$","li","5",{"className":"flex items-start gap-2 text-foreground/85","children":[["$","span",null,{"className":"mt-2.5 h-1.5 w-1.5 rounded-full bg-primary flex-shrink-0"}],["$","span",null,{"children":"dans une partie encastrée de l'installation"}]]}]]}] 1e:["$","p","18",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Certaines fuites sont minuscules et ne produisent pas immédiatement une flaque visible."}] 1f:["$","h2","19",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"Cause n°2 : le vase d'expansion"}] 20:["$","p","20",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Le vase d'expansion contient une membrane séparant l'eau d'un volume de gaz."}] 21:["$","p","21",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Il permet d'absorber la dilatation de l'eau lorsque celle-ci chauffe."}] 22:["$","p","22",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Lorsqu'il est dégonflé, mal dimensionné ou défectueux, la pression peut augmenter fortement pendant la chauffe."}] 23:["$","p","23",{"className":"mb-5 leading-relaxed text-foreground/85","children":"La soupape de sécurité peut alors évacuer de l'eau."}] 24:["$","p","24",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Une fois l'installation refroidie, la pression devient trop faible."}] 25:["$","p","25",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Le client remet de l'eau..."}] 26:["$","p","26",{"className":"mb-5 leading-relaxed text-foreground/85","children":"et le phénomène recommence."}] 27:["$","h2","27",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"Cause n°3 : la soupape de sécurité"}] 28:["$","p","28",{"className":"mb-5 leading-relaxed text-foreground/85","children":"La soupape protège l'installation contre une pression excessive."}] 29:["$","p","29",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Si elle s'est ouverte, elle peut parfois continuer à laisser passer une petite quantité d'eau."}] 2a:["$","p","30",{"className":"mb-5 leading-relaxed text-foreground/85","children":"L'évacuation étant parfois raccordée directement à une conduite, la perte d'eau n'est pas toujours visible."}] 2b:["$","h2","31",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"Cause n°4 : un purgeur automatique"}] 2c:["$","p","32",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Un purgeur automatique peut également présenter une fuite."}] 2d:["$","p","33",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Même une très petite perte régulière peut progressivement faire diminuer la pression du circuit."}] 2e:["$","h2","34",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"Cause n°5 : un problème interne à la chaudière"}] 2f:["$","p","35",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Selon le type d'appareil, certains composants internes peuvent également être à l'origine d'une perte ou d'une variation anormale de pression."}] 30:["$","p","36",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Un diagnostic permet alors d'identifier précisément l'origine."}] 31:["$","h2","37",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"Pourquoi remettre constamment de l'eau n'est-il pas une solution ?"}] 32:["$","p","38",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Lorsque la pression est basse, remettre de l'eau peut permettre de rétablir temporairement le fonctionnement."}] 33:["$","p","39",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Mais si vous devez le faire régulièrement, vous ne réparez pas la cause du problème."}] 34:["$","p","40",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Introduire continuellement de l'eau neuve dans un circuit fermé n'est d'ailleurs pas souhaitable."}] 35:["$","p","41",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Cette eau apporte notamment de l'oxygène et des minéraux supplémentaires dans l'installation."}] 36:["$","p","42",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Il faut donc rechercher la raison de la perte."}] 37:["$","h2","43",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"La pression monte à 3 bars puis redescend : que signifie ce comportement ?"}] 38:["$","p","44",{"className":"mb-5 leading-relaxed text-foreground/85","children":"C'est un symptôme particulièrement intéressant pour le diagnostic."}] 39:["$","p","45",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Si la pression est normale à froid mais augmente fortement pendant la chauffe avant de redescendre ensuite, le vase d'expansion fait partie des éléments à contrôler."}] 3a:["$","p","46",{"className":"mb-5 leading-relaxed text-foreground/85","children":"La soupape peut également avoir évacué de l'eau lors de la montée en pression."}] 3b:["$","p","47",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Cela ne permet cependant pas de poser un diagnostic définitif à distance."}] 3c:["$","h2","48",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"Ma chaudière affiche 0 bar : puis-je continuer à l'utiliser ?"}] 3d:["$","p","49",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Une chaudière peut se mettre en sécurité lorsque la pression devient insuffisante."}] 3e:["$","p","50",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Ne multipliez pas les remises en pression sans rechercher la cause si le problème revient."}] 3f:["$","p","51",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Si vous ne savez pas pourquoi la pression baisse, faites contrôler l'installation."}] 40:["$","h2","52",{"className":"font-display text-2xl sm:text-3xl font-bold mt-12 mb-4 first:mt-0","children":"Comment trouver la panne ?"}] 41:["$","p","53",{"className":"mb-5 leading-relaxed text-foreground/85","children":"Le technicien peut notamment contrôler :"}] 42:["$","ul","54",{"className":"space-y-2 mb-6 pl-1","children":[["$","li","0",{"className":"flex items-start gap-2 text-foreground/85","children":[["$","span",null,{"className":"mt-2.5 h-1.5 w-1.5 rounded-full bg-primary flex-shrink-0"}],["$","span",null,{"children":"la pression à froid "}]]}],["$","li","1",{"className":"flex items-start gap-2 text-foreground/85","children":[["$","span",null,{"className":"mt-2.5 h-1.5 w-1.5 rounded-full bg-primary 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