50A55-843 White Rodgers Universal Silicon Carbide Integrated Furnace Control
Universal Silicon Carbide Integrated Furnace Control
Description: Universal Silicon Carbide Integrated Ignition Control; Ignition Trial Time: 4 Seconds; Retries: 2 Times; Pre-purge Period: 30 Seconds.
Replaces 50A50-295
✅ Common OEM Boards Replaced by 50A55-843
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White-Rodgers / Emerson: 50A55-288, 50A55-289, 50A55-571, 50A55-843 (itself), 50A55-474, 50A55-475, 50A55-476, 50A55-843, 50A55-843R
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Nordyne / Intertherm / Miller: 624631, 6246310, 624631A, 624631B, 624631C, 903106, 9031060, 903106A, 903106B, 903106C
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York / Coleman / Luxaire: S1-03102925000, S1-03102925001, S1-03102925002, S1-03102925003, S1-03102925004
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Trane / American Standard: CNT03076, CNT03709, CNT04337
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Carrier / Bryant / Payne: CESO110057, CESO110057-02, CESO110057-03
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Goodman / Amana: B1809913, B1809913S, B1809913S01
🔧 Key Features
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Universal replacement for single-stage HSI (Hot Surface Ignition) systems
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Works with 24V AC systems using silicon carbide ignitors
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Adjustable blower timings
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Includes diagnostic LED for fault codes