{"product_id":"carrier-hk50aa056-terminal-board-ctb-hvac-control-system-board-oem-replacement","title":"Carrier HK50AA056 Terminal Board (CTB) HVAC Control System Board OEM Replacement","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Carrier HK50AA056 is an OEM terminal board (CTB) designed for HVAC control systems, providing a centralized interface for electrical wiring and signal distribution within compatible Carrier equipment. This control system board supports reliable electrical connections and helps maintain proper communication between system components in commercial and residential HVAC applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCarrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHK50AA056\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC Control System Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTerminal Board (CTB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrical terminal and control interface board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenuine OEM Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC Control System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Brands\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCarrier, Bryant, Payne (selected models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect OEM Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrical connection and signal distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrinted Circuit Terminal Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Equipment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRooftop and packaged HVAC units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.45 kgs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About HK50AA056\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe HK50AA056 is a genuine Carrier terminal board (CTB) used as part of the HVAC control system in selected Carrier, Bryant, and Payne equipment. It is engineered to serve as a dedicated wiring interface that organizes field and factory electrical connections while supporting dependable system operation. The board is manufactured to OEM specifications for direct replacement compatibility with approved equipment models, helping preserve original system performance and installation integrity. It is commonly installed in rooftop units and other compatible HVAC systems where reliable control wiring and electrical distribution are essential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eOEM Carrier Component: Manufactured to original Carrier specifications for direct replacement applications.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eTerminal Board (CTB): Provides centralized electrical termination points for HVAC control wiring.\u003c\/li\u003e\n\u003cli\u003eHVAC Control Integration: Supports communication and electrical distribution within compatible control systems.\u003c\/li\u003e\n\u003cli\u003eDirect Replacement Design: Fits approved Carrier equipment without modification when used with compatible models.\u003c\/li\u003e\n\u003cli\u003eCommercial HVAC Compatibility: Used in numerous Carrier rooftop and packaged HVAC units.\u003c\/li\u003e\n\u003cli\u003eDurable PCB Construction: Designed for long-term operation in HVAC electrical control environments.\u003c\/li\u003e\n\u003cli\u003eFactory-Specified Performance: Maintains system wiring configuration and operational reliability.\u003c\/li\u003e\n\u003cli\u003eService-Friendly Installation: Simplifies replacement during maintenance and repair procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe HK50AA056 delivers the reliability and precision required for HVAC control system wiring and dependable equipment operation.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":52203694129450,"sku":"HK50AA056","price":625.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l300_626de6fd-c29b-4391-95e5-05441759f543.webp?v=1786269271","url":"https:\/\/iqelectro.com\/products\/carrier-hk50aa056-terminal-board-ctb-hvac-control-system-board-oem-replacement","provider":"IQElectro","version":"1.0","type":"link"}