{"product_id":"icm-controls-icm-udefrost-universal-heat-pump-defrost-control-board-time-temperature-bluetooth-configurable","title":"ICM Controls ICM-UDefrost Universal Heat Pump Defrost Control Board – Time \u0026 Temperature, Bluetooth Configurable","description":"\u003ch1 class=\"MsoNormal\"\u003e\u003cb\u003eICM Controls ICM-UDefrost Universal Heat Pump Defrost Control Board – Time \u0026amp; Temperature, Bluetooth Configurable\u003c\/b\u003e\u003c\/h1\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eICM Controls ICM-UDefrost Universal Defrost Control Board\u003c\/b\u003e is a universal aftermarket replacement designed to replace the function of nearly all OEM time-and-temperature heat pump defrost control boards. \u003ca href=\"https:\/\/www.icmcontrols.com\/wp-content\/uploads\/2026\/02\/LIAF341-1_ICM-UDefrost.pdf\" title=\"Universal Defrost Board Wire gram\"\u003eFor Wiring diagram click here\u003c\/a\u003e. Engineered for residential and light commercial heat pump systems, this advanced control board monitors compressor operation and outdoor coil conditions to initiate efficient defrost cycles, improving heating performance while protecting system components from excessive frost buildup.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUnlike traditional replacement boards, the \u003cb\u003eICM-UDefrost\u003c\/b\u003e features \u003cb\u003eBluetooth® configuration through the free ICM OMNI mobile app\u003c\/b\u003e, allowing technicians to quickly configure settings without dip switches or jumpers. The board continuously monitors thermostat inputs, pressure switches, brownout conditions, and sensor health while providing onboard LED diagnostics for simplified troubleshooting and dependable system protection.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eKey Features and Function\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eUniversal Heat Pump Defrost Control\u003c\/b\u003e – Replaces the function of most OEM time-and-temperature defrost boards.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eBluetooth® App Configuration\u003c\/b\u003e – Easily configure settings using the free ICM OMNI mobile app.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eAdvanced System Protection\u003c\/b\u003e – Monitors high-pressure, low-pressure, brownout, and sensor conditions.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eIntegrated LED Diagnostics\u003c\/b\u003e – Displays operating status and fault codes for faster troubleshooting.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eUniversal Replacement Design\u003c\/b\u003e – Reduces truck stock by replacing multiple OEM defrost controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eProduct Details and Key Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e ICM-UDefrost\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e ICM Controls\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003ePart Type:\u003c\/b\u003e Universal Heat Pump Defrost Control Board\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003eControl Type:\u003c\/b\u003e Time \u0026amp; Temperature Defrost\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003eOperating Voltage:\u003c\/b\u003e 18–30 VAC\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003eConfiguration:\u003c\/b\u003e Bluetooth® via ICM OMNI App\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003eInputs Monitored:\u003c\/b\u003e Y, O\/B, W2 Thermostat Signals\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003eProtection Features:\u003c\/b\u003e High Pressure, Low Pressure, Brownout Detection, Sensor Monitoring\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003eDiagnostics:\u003c\/b\u003e Onboard LED Status \u0026amp; Fault Indicators\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Residential \u0026amp; Light Commercial Heat Pumps\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\"\u003e\n\u003cb\u003eShipping Weight:\u003c\/b\u003e Approximately 1 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e🛠️\u003c\/span\u003e HVAC Depot Pro Tip: Verify Sensor Placement\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eWhen replacing a defrost control board, always inspect the outdoor coil temperature sensor and verify its placement on the coil tubing. A faulty or improperly mounted sensor can cause unnecessary defrost cycles or prevent the unit from entering defrost when required, reducing heating efficiency and increasing energy consumption.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCross-Reference \u0026amp; Compatibility\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eICM-UDefrost\u003c\/b\u003e is designed as a universal replacement for numerous OEM heat pump defrost control boards.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOEM \/ Universal Replacement:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo3; tab-stops: list .5in;\"\u003eReplaces the function of nearly all \u003cb\u003etime-and-temperature heat pump defrost controls\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo3; tab-stops: list .5in;\"\u003eUniversal aftermarket replacement for many major HVAC manufacturers\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo3; tab-stops: list .5in;\"\u003eBluetooth programmable using the \u003cb\u003eICM OMNI\u003c\/b\u003e mobile application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eExtensive Model Compatibility List\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eCompatible with a wide range of residential and light commercial heat pump systems, including equipment from:\u003c\/p\u003e\n\u003cdiv id=\"primary\" class=\"content-area\"\u003e\u003cmain id=\"main\" class=\"site-main\" role=\"main\"\u003e\n\u003csection class=\"section\"\u003e\n\u003cdiv class=\"holder\"\u003e\n\u003cdiv class=\"product-tab-wrap\"\u003e\n\u003cdiv class=\"product-tab\" id=\"tab5\"\u003e\n\u003cp\u003e\u003cstrong\u003eICM Controls:\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003eDFORB24A2I300, DFORB-AB1004, DFORF, DFOSP24A2, ICM300 series defrost controls (ICM300C, ICM301C, ICM302C, ICM303C, ICM304, ICM307,\u003cbr\u003eICM314, ICM315, ICM316, ICM317, ICM318, ICM319, ICM320, ICM321, ICM322, ICM323, ICM324, ICM350), W1001, W1001-4\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhite-Rodgers:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e47D01U-843\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eResideo:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDB711OU\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmerson:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e47D01U-843\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBard Manufacturing:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e1084-751, 1084-83-7502, 8201-XXX, 8210-XXX, 8620-XXX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarrier\/ICP:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e1052757, 1069364, 1085843, 1087515, 1087562, 1087952, 1087953, 1093410, 1160717, 1171803, 1173425, 1173636, 1173696, 1177927, 1185790, 3232140, 34332100, 34332101, 1029-2, 1050-83-7B, 1084-100, 1084-83-1008, 1084-83-100A, 1395-329, 150-83-6A, 32312-00, 621-XXX, 621-83-550 -D, -H, -L, CEBD410104-02, CEBD430524-\u003cbr\u003e04B, CEBD430524-22, CEBD430524-24A, CEPL110104-02, CEPL130433-XX, CEPL130524-XX, CEPL130547-01, CES0110063-XX, CES0130024-XX, CES0130049-00, CES0130076, DDL-30011-ICP, DTL-300000-ICP, HK25SZ359A, HK32EA001, HK32EA003, HK32EA007, HK32EA008, HK32FA003, HK32FA006, HQ1052757(EX), HQ1086070, HQ108671RC, HQ1087953RC, HQ1987953\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGoodman\/Amana\u003c\/strong\u003e: 20293901, 1084-03-2022, 1084-200C, D, 1084-552, 1084-83-201A, B1226006, B12260-06, B1226008, B12260-08, C64301-1, C6431001, DFBK01, DTL-500000-001, LR40061, PCBDM101(S), PCBDM130(S), PCBDM133(S), PCBDM160(S)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHoneywell:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eDB7110U1000, ST74A1004, ST74A1020, ST74A1038, ST74A1053, ST74C1002\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLennox\/Allied Air:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e38109, 20404302, 0204043-02, 100269-XX, 1080-852-R, 1084-551, 1084-800, 1084-83-551B, C, 1084-83-800, 1084-851, -I, 1084-852-R, 11K71(01), 12J54(01), 1507N170027, 15C34(01), 16V38(01), 17M14(01), 18M23(01), 23L00(01), 23M22(01), 29M01(01), 29M02(01), 30W87(01), 33G95(01), 34M63(01), 36326B001, 37967B002, 39840B001, 41A08(01), 41F29(01), 42A16(01), 44614-XXX, 46257-001, 46K67(01), 47181-001, 56M37(01), 58H28(01), 61H42(01), 621-112-I, 621-83-4B, 68J29(01), 68J84(01), 78H68(01), 84W88(01), 85H75(01), 86G16(01), 97M81(01), DTL-100000-LXA, LB-100380A, LB101263A, B, LB83114C, LB-93614, P-8-7556, PN0204043-02, R46257-001, R46614-002, R47181-001\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNordyne:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e620880, 624608, 624626, 624633, 624644, 624656, 624700, 917012, 920338, 920806, 6208800, 1084-400D, 1084-83-4102A, 621301A, 621579B, C, 624519A, 917178(A)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRheem\/RUUD:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e1157-83-1002A, 47-102684-XX, 47-102685-XX, 47-21517-XX, 47-21776-XX, 840-4-5548, DDL-013002-XXX, DDL013102-1RH, DDL-017002-2RH, DDL-017102-1RH, DDL-017702-XXX, DDL-122131-2RH, UT 149-XXX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrane\/American Standard\u003c\/strong\u003e: 21C140501GXX, 21C142827G01, BRD04302, BRD05205, BRD05768, BRD06552, CNT01106, CNT01108, CNT01129, CNT01152, CNT01431, CNT01510, CNT01642, CNT01923, CNT01924, CNT01926, CNT02514, CNT02515, CNT02516, CNT02920, CNT02935, CNT03715, CNT03716, CNT04362, CNT04363, CNT04364, CNT04366, CNT04368, CNT04695, CNT05001, CNT05002, CNT05004, CNT05005, CNT05007, CNT05008, CNT05009, CNT05010, CNT05482, CNT05875, CNT06080, CNT06081, CNT06082, X13690231010, X13690250 XXX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eYork\/JCI:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e18390, 67297, 174552, 624733, 031-00872-XXX, 031-01098-XXX, 031-01222-000, 031-01251-000, 031-01268-000, 031-01298-000, 031-01954-000, 031-01957-000, 031-01971-000, 031-01975-000, 031-09104-000, 031-09170-000, 1030-100-I, 1030-102, 1030-103-L, 1030-105, 1030-83-XXX, 1084-502, 1084-83-900, 1084-900, 1157-83-9021A, 1157-83-902B, 1157-83-904B, C, 1157-XXX, 3030A374, 331-01098-XXX, 331-01975-XXX, 331-09139-000, 6TT-X, 6YG-2, 9218-374(1), DFOS-AD1008, S1-03100872701, S1-03101954000, S1-03101971000, S1-03101975102, S1-03103483000, S1-03109170000, S1-3030-3741, S1-3030A3741, S1-3030B3741, S1-33101954000, S1-33101975001, S1-33101975102, S1-37323867001\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eAlways verify wiring configuration and system compatibility before installation.\u003c\/b\u003e The ICM-UDefrost is designed to replace the function of most OEM time-and-temperature defrost boards but should be configured according to the equipment manufacturer's specifications.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"ICM","offers":[{"title":"Default Title","offer_id":53673108046187,"sku":"ICM-UDEFROST","price":98.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/ICM-UDefrost-1.jpg?v=1786034881","url":"https:\/\/tophvacparts.com\/products\/icm-controls-icm-udefrost-universal-heat-pump-defrost-control-board-time-temperature-bluetooth-configurable","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}