{"product_id":"tempstar-control-board-for-t4a360gkd300-comfortalert-diagnostic-module-ships-today","title":"Tempstar Control Board for T4A360GKD300 — ComfortAlert Diagnostic Module | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis OEM ComfortAlert control board (part number 1177402) is the diagnostic module for your Tempstar T4A360GKD300 condensing unit. It continuously monitors the compressor and electrical system, detecting and flashing fault codes for conditions such as low voltage, locked rotor, open circuit, missing phase, and short cycling. By interpreting compressor current and voltage, the board protects the compressor from damaging operating conditions and gives technicians fast, accurate troubleshooting through its LED status indicators. A failed or faulty board can cause intermittent no-cool conditions, nuisance lockouts, or loss of compressor protection. Installing the correct factory module restores both reliable operation and built-in diagnostics.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1177402\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eComfortAlert Diagnostic Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTempstar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Voltage\u003c\/td\u003e\n\u003ctd\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eCompressor Monitoring \u0026amp; Fault Codes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eAC Compressor \/ Heat Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDirect OEM replacement for the Tempstar T4A360GKD300 condensing unit. The same ComfortAlert module is used across matching ICP-family condensers including comparable Heil, Comfortmaker, and ICP units that originally shipped with part number 1177402. Confirm the part number on your existing board before ordering.\u003c\/p\u003e\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect power at the disconnect and breaker, then verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the condenser service \/ control panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph every wire and terminal connection before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Disconnect the low-voltage leads and unsnap or unscrew the old board from its standoffs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new ComfortAlert board and reconnect each lead exactly as photographed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power, place a cooling call, and confirm normal operation with a steady status LED and no fault codes.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePersistent or erratic fault-code flashes with no real fault\u003c\/li\u003e\n\u003cli\u003eCompressor will not start or randomly locks out\u003c\/li\u003e\n\u003cli\u003eIntermittent no-cool or short-cycling behavior\u003c\/li\u003e\n\u003cli\u003eStatus LED is dark or unresponsive with power applied\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\u003cp\u003eShips same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.\u003c\/p\u003e","brand":"Tempstar","offers":[{"title":"Direct Replacement","offer_id":63021806748019,"sku":"1177402-GEN","price":179.0,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048437039475,"sku":"1177402","price":232.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-1177402_e719f781-c0f8-4bc8-b476-565dc01be73d.jpg?v=1782959555","url":"https:\/\/nationalhvacparts.com\/products\/tempstar-control-board-for-t4a360gkd300-comfortalert-diagnostic-module-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}