{"product_id":"mitsubishi-electric-pac-mka33bc-branch-box","title":"Mitsubishi Electric PAC-MKA33BC Branch Box","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMitsubishi Electric PAC-MKA33BC 3-Port Branch Box\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is an OEM refrigerant distribution component designed for compatible Mitsubishi Electric MXZ and SMART MULTI heat-pump systems. It connects one compatible outdoor unit to as many as three indoor units, allowing independent zone control through a properly configured multi-zone installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMitsubishi branch box\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e routes refrigerant between the outdoor unit and connected indoor units while providing the control connections required for coordinated system operation. The PAC-MKA33BC is designed for R410A systems and operates on 208\/230-volt, single-phase electrical service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUse this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3-port mini-split branch box\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for new installations or as a direct service replacement when the equipment documentation specifies PAC-MKA33BC. Refrigerant line sizes vary according to the connected indoor-unit type and capacity, so installers must follow the applicable Mitsubishi piping tables and installation instructions. Confirm the outdoor-unit model, indoor-unit combination, capacity limits, piping requirements, and original branch-box number before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eGenuine Mitsubishi Electric OEM component\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConnects up to three compatible indoor units\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports independent multi-zone comfort control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for compatible R410A MXZ systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides organized refrigerant and control distribution\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for professional installation and replacement\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Questions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat does the PAC-MKA33BC branch box do?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt distributes refrigerant and control connections from a compatible Mitsubishi Electric outdoor unit to as many as three indoor units.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCan it be used with every Mitsubishi mini-split system?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo. It is intended only for approved Mitsubishi Electric system combinations that specifically call for this branch-box model.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eHow should compatibility be verified?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCheck the outdoor-unit model, indoor-unit combination, system capacity, refrigerant type, piping requirements, and the branch-box model listed in the Mitsubishi technical documentation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePAC-MKA33BC is the cross for PAC-MKA32BC\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cspan style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/span\u003e\u003cspan style=\"font-size: 10.0pt; font-family: 'Arial',sans-serif; color: red; background: white;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":43105206599858,"sku":"PAC-MKA33BC","price":770.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/products\/ac-parts-1000x1000_large_b4814e73-7fa6-4555-950a-2ca40db8d8da.webp?v=1751661019","url":"https:\/\/www.gsistore.com\/products\/mitsubishi-electric-pac-mka33bc-branch-box","provider":"GSIstore","version":"1.0","type":"link"}