{"product_id":"mrcool-signature-series-heat-kits-r-454b-multi-position-stud-mount","title":"MRCOOL Signature Series Heat Kits – R-454B (Multi-Position Air Handlers)","description":"\u003cstyle\u003e\n  :root{\n    --hvx-golden:#FAA819;\n    --hvx-slate:#262626;\n    --hvx-ivory:#F4F1E6;\n    --hvx-border:#e2e0d5;\n    --hvx-card-bg:#ffffff;\n    --hvx-muted:#5c5a52;\n  }\n\n  .hvx-desc{\n    font-family:\"Articulat CF\",system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif;\n    color:var(--hvx-slate);\n    line-height:1.6;\n    background:var(--hvx-ivory);\n    padding:18px 18px 20px;\n    border-radius:16px;\n  }\n\n  .hvx-desc-header{\n    border-radius:14px;\n    padding:14px 16px;\n    background:linear-gradient(120deg,var(--hvx-golden),var(--hvx-slate));\n    color:#fff;\n    margin:0 0 16px;\n    box-shadow:0 10px 24px rgba(0,0,0,.22);\n    display:flex;\n    align-items:center;\n    gap:12px;\n    flex-wrap:wrap;\n  }\n\n  .hvx-header-text{display:flex;flex-direction:column;gap:4px;min-width:240px}\n  .hvx-eyebrow{\n    font-size:11px;\n    letter-spacing:.14em;\n    text-transform:uppercase;\n    opacity:.9;\n  }\n  .hvx-title{\n    margin:0;\n    font-family:\"Anton\",\"Impact\",system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif;\n    font-size:22px;\n    line-height:1.15;\n  }\n  .hvx-sub{\n    margin:10px 0 0;\n    font-size:14px;\n    color:#3b3b3b;\n  }\n\n  .hvx-desc-card{\n    border:1px solid var(--hvx-border);\n    border-radius:14px;\n    background:var(--hvx-card-bg);\n    padding:16px 18px 18px;\n    box-shadow:0 4px 12px rgba(0,0,0,.06);\n    margin:14px 0;\n  }\n\n  .hvx-section-title{\n    margin:0 0 8px;\n    font-family:\"Anton\",\"Impact\",system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif;\n    font-size:17px;\n    letter-spacing:.08em;\n    text-transform:uppercase;\n    color:var(--hvx-slate);\n    display:inline-flex;\n    align-items:center;\n    gap:8px;\n  }\n  .hvx-section-title::after{\n    content:\"\";\n    flex:1;\n    height:2px;\n    border-radius:999px;\n    background:linear-gradient(90deg,var(--hvx-golden),transparent);\n    opacity:.9;\n  }\n\n  .hvx-badges{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 2px}\n  .hvx-badge{\n    font-size:12px;\n    border:1px solid var(--hvx-border);\n    border-radius:999px;\n    padding:6px 10px;\n    background:#fff;\n    color:var(--hvx-slate);\n    white-space:nowrap;\n  }\n\n  .hvx-cta{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 0}\n  .hvx-cta a{\n    display:inline-flex;\n    align-items:center;\n    gap:8px;\n    padding:10px 14px;\n    border-radius:12px;\n    border:1px solid var(--hvx-border);\n    background:#fff;\n    text-decoration:none;\n    color:var(--hvx-slate);\n    font-size:14px;\n    font-weight:600;\n  }\n  .hvx-cta a.primary{\n    background:var(--hvx-slate);\n    color:#fff;\n    border-color:transparent;\n  }\n\n  .hvx-grid{display:grid;grid-template-columns:1fr;gap:14px}\n  @media(min-width:900px){.hvx-grid{grid-template-columns:1.15fr .85fr}}\n\n  .hvx-list{margin:6px 0 10px;padding-left:18px;font-size:14px}\n  .hvx-note{margin:8px 0 0;font-size:12px;color:var(--hvx-muted)}\n\n  .hvx-kv{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}\n  .hvx-kv\u003ediv{\n    padding:10px 10px;\n    border:1px solid var(--hvx-border);\n    border-radius:12px;\n    background:#fff;\n    text-align:center;\n    font-size:14px;\n  }\n\n  .hvx-table-wrap{width:100%;overflow-x:auto}\n  .hvx-table{width:100%;border-collapse:collapse;font-size:13px;min-width:520px}\n  .hvx-th,.hvx-td{border:1px solid var(--hvx-border);padding:9px 11px;text-align:left;vertical-align:top;line-height:1.45}\n  .hvx-th{background:#f7f3e8;color:var(--hvx-slate);width:28ch;font-weight:700}\n\n  details{border:1px solid var(--hvx-border);border-radius:12px;padding:12px 14px;background:#fff}\n  summary{cursor:pointer;font-weight:800}\n\n  .hvx-video{\n    position:relative;\n    width:100%;\n    padding-top:56.25%;\n    border-radius:12px;\n    overflow:hidden;\n    border:1px solid var(--hvx-border);\n    background:#000;\n  }\n  .hvx-video iframe{\n    position:absolute;\n    inset:0;\n    width:100%;\n    height:100%;\n    border:0;\n  }\n\n  @media(max-width:768px){\n    .hvx-desc{padding:14px 12px 16px;border-radius:12px}\n    .hvx-desc-header{padding:12px;border-radius:12px}\n    .hvx-title{font-size:19px}\n    .hvx-desc-card{padding:14px;margin:10px 0}\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"hvx-desc\"\u003e\n\u003cdiv class=\"hvx-desc-header\"\u003e\n  \u003cdiv class=\"hvx-header-text\"\u003e\n    \u003cdiv class=\"hvx-eyebrow\"\u003eMRCOOL — Accessories\u003c\/div\u003e\n    \u003ch1 class=\"hvx-title\"\u003eMRCOOL Signature Series Heat Kits – R-454B (Multi-Position Air Handlers)\u003c\/h1\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hvx-cta\" aria-label=\"Contact options\"\u003e\n  \u003ca class=\"primary\" href=\"https:\/\/hvacsupplies.com\/pages\/contact\" rel=\"noopener\"\u003eContact for custom quotes\u003c\/a\u003e\n  \u003ca href=\"tel:+18005438933\" aria-label=\"Call 800-543-8933\"\u003eCall 800-543-8933\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hvx-desc-card\"\u003e\n\u003ch1 class=\"hvx-section-title\"\u003e\u003ca href=\"https:\/\/hvacsupplies.com\/pages\/contact\" rel=\"noopener\" target=\"_blank\" title=\"Contact Us\"\u003e CLICK HERE TO CONTACT US FOR CUSTOM QUOTES AND QUESTIONS \u003c\/a\u003e\u003c\/h1\u003e\n\u003cp class=\"hvx-sub\"\u003e\u003ca href=\"tel:(800)%20543-8933\" title=\"Call Us Now!\"\u003eCLICK TO CALL US 800-543-8933 FOR ANY QUESTIONS\u003c\/a\u003e\u003c\/p\u003e\n\u003ch1 class=\"hvx-section-title\"\u003eMRCOOL Signature Series Heat Kits – R-454B (Multi-Position Air Handlers)\u003c\/h1\u003e\n\u003chr\u003e\n\n\u003ch2 class=\"hvx-section-title\"\u003eOverview\u003c\/h2\u003e\n\u003cp class=\"hvx-sub\"\u003eMRCOOL Signature Series electric heat kits add dependable auxiliary and emergency heat to all-electric systems using R-454B Multi-Position air handlers. Choose 5 kW, 7.5 kW, or 10 kW to fit your climate and tonnage. Each kit includes an integrated service disconnect (circuit breaker) for safer servicing and straightforward installation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eModels (Multi-Position)\u003c\/h2\u003e\n\u003cdiv class=\"hvx-table-wrap\"\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" class=\"hvx-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"hvx-th\"\u003eBrand\u003c\/th\u003e\n\u003cth class=\"hvx-th\"\u003eSeries\u003c\/th\u003e\n\u003cth class=\"hvx-th\"\u003eModel\u003c\/th\u003e\n\u003cth class=\"hvx-th\"\u003eGTIN\u003c\/th\u003e\n\u003cth class=\"hvx-th\"\u003eUPC\u003c\/th\u003e\n\u003cth class=\"hvx-th\"\u003eUnit Type\u003c\/th\u003e\n\u003cth class=\"hvx-th\"\u003eShort Description\u003c\/th\u003e\n\u003cth class=\"hvx-th\"\u003eWorks With\u003c\/th\u003e\n\u003cth class=\"hvx-th\"\u003eGross WxHxD (in)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003eMRCOOL\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eSignature Series Heat Kit\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eMCAEHFD5X1AA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e00840255596022\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e840255596022\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eHeat Kit\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eMRCOOL 5kW Heat Kit R-454B for Multi-Position Air Handlers\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eSignature Series R-454B \u003cem\u003eMulti-Position\u003c\/em\u003e Air Handlers\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e10.38 × 9.25 × 14.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003eMRCOOL\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eSignature Series Heat Kit\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eMCAEHFD7X1AA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e00840255596039\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e840255596039\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eHeat Kit\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eMRCOOL 7.5kW Heat Kit R-454B for Multi-Position Air Handlers\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eSignature Series R-454B \u003cem\u003eMulti-Position\u003c\/em\u003e Air Handlers\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e10.38 × 9.25 × 14.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003eMRCOOL\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eSignature Series Heat Kit\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eMCAEHFD10X1AA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e00840255596046\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e840255596046\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eHeat Kit\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eMRCOOL 10kW Heat Kit R-454B for Multi-Position Air Handlers\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eSignature Series R-454B \u003cem\u003eMulti-Position\u003c\/em\u003e Air Handlers\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e10.38 × 9.25 × 14.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"hvx-list\"\u003e\n\u003cli\u003ePurpose-built for MRCOOL Signature Series \u003cstrong\u003eR-454B Multi-Position\u003c\/strong\u003e air handlers.\u003c\/li\u003e\n\u003cli\u003eIntegrated circuit breaker provides a local service disconnect and component protection.\u003c\/li\u003e\n\u003cli\u003e208\/230V, 1-Phase, 60 Hz operation (size branch circuit per nameplate and code).\u003c\/li\u003e\n\u003cli\u003eCompact chassis for fast, clean installs; thermostat-ready staging (W1\/W2).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul class=\"hvx-list\"\u003e\n\u003cli\u003eFollow the air handler and accessory heat kit wiring diagrams and instructions.\u003c\/li\u003e\n\u003cli\u003eThe accessory breaker is for service disconnect\/component protection and \u003cstrong\u003edoes not replace branch OCPD\u003c\/strong\u003e; size supply circuit per unit nameplate and codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eManuals \u0026amp; Documentation\u003c\/h2\u003e\n\u003cul class=\"hvx-list\"\u003e\n\u003cli\u003eSee the included MRCOOL Signature Series Heat Kit Installation \u0026amp; Owner’s Manual (stud-mount version shown for wiring\/spec format reference).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eWarranty\u003c\/h2\u003e\n\u003cul class=\"hvx-list\"\u003e\n\u003cli\u003e1-Year Limited Warranty on Heat Kits (professional installation required).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MRCOOL","offers":[{"title":"5KW","offer_id":42761260695595,"sku":"MCAEHFD5X1AA","price":149.24,"currency_code":"USD","in_stock":true},{"title":"7.5KW","offer_id":42761260728363,"sku":"MCAEHFD7X1AA","price":178.5,"currency_code":"USD","in_stock":true},{"title":"10KW","offer_id":42761260761131,"sku":"MCAEHFD10X1AA","price":180.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/5647\/1339\/files\/mc-MCAEHFD5X1AA-01_jvvmka_1.jpg?v=1769020159","url":"https:\/\/hvacsupplies.com\/products\/mrcool-signature-series-heat-kits-r-454b-multi-position-stud-mount","provider":"HVACSupplies.com","version":"1.0","type":"link"}