{"product_id":"daikin-mcquay-668105601-3-1-control-board","title":"Daikin-McQuay 668105601-3.1 Control Board","description":"\u003cp\u003eThe \u003cstrong\u003eDaikin-McQuay 668105601-3.1 Control Board MT III V3.1\u003c\/strong\u003e is a genuine OEM electronic control board designed for compatible Daikin and McQuay commercial HVAC equipment utilizing the MT III control platform. This control board manages critical system functions, including unit monitoring, communication, diagnostics, and operational sequencing to ensure dependable equipment performance. Manufactured to original Daikin-McQuay specifications, the MT III V3.1 control board provides the correct firmware, electrical connections, and mounting configuration for direct replacement in compatible systems. Replacing a failed control board with the proper OEM component helps restore communication between system components, minimizes troubleshooting time, and maintains reliable HVAC operation. Always verify your equipment model number, serial number, and existing control board part number before ordering to ensure compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine \u003cstrong\u003eDaikin-McQuay 668105601-3.1\u003c\/strong\u003e OEM control board.\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eMT III Version 3.1\u003c\/strong\u003e commercial HVAC control systems.\u003c\/li\u003e\n\u003cli\u003eRestores proper system communication, monitoring, and operational control.\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement with correct electrical connections and mounting.\u003c\/li\u003e\n\u003cli\u003eSupports onboard diagnostics and system control functions.\u003c\/li\u003e\n\u003cli\u003eEngineered for compatible Daikin and McQuay commercial HVAC equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the Daikin-McQuay 668105601-3.1 control board do?\u003c\/strong\u003e\u003cbr\u003eA: It serves as the primary electronic controller for compatible MT III HVAC systems, managing equipment operation, diagnostics, and communication between system components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a genuine OEM replacement part?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The Daikin-McQuay 668105601-3.1 is a genuine OEM control board manufactured for compatible commercial HVAC equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this board replace any MT III control board?\u003c\/strong\u003e\u003cbr\u003eA: No. Compatibility depends on the equipment model, serial number, firmware version, and original part number. Always verify these before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I verify compatibility?\u003c\/strong\u003e\u003cbr\u003eA: Confirm your equipment model number, serial number, and existing control board part number (\u003cstrong\u003e668105601-3.1\u003c\/strong\u003e) before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e 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\/p\u003e\n\u003cp\u003e\u003cspan\u003e668105601-3.1 is the cross for 668105601\u003c\/span\u003e\u003c\/p\u003e","brand":"Daikin-McQuay","offers":[{"title":"Default Title","offer_id":42956499976370,"sku":"668105601-3.1","price":206.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_806a6ac3-ba6f-468e-ac93-af15a85b87c3.png?v=1785779117","url":"https:\/\/www.gsistore.com\/en-ca\/products\/daikin-mcquay-668105601-3-1-control-board","provider":"GSIstore","version":"1.0","type":"link"}