{"product_id":"icm2807-carrier-2-stage-furnace-control-boards-icm2807-hk42fz017-copy","title":"ICM2805A Furnace Control Board | Nordyne 903106 \u0026 624631 Replacement | 2 HP Blower Support","description":"\u003ch1\u003e\u003cstrong\u003eICM2805A Furnace Control Board – USA Made Replacement for Nordyne 624631 \u0026amp; 903106\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e     The\u003cstrong\u003e ICM2805A \u003c\/strong\u003eis a high-performance, microprocessor-based \u003cstrong\u003efurnace control board\u003c\/strong\u003e designed by ICM Controls as a\u003cstrong\u003e direct form, fit, and functional replacement for Nordyne, Miller, and Intertherm 903106 and 624631\u003c\/strong\u003e series controls. This USA-made board is engineered for maximum reliability in G3, G4, G5, G6, M2, and M3 furnace modules, providing a professional-grade alternative to expensive OEM parts.\u003c\/p\u003e\n\u003cp\u003e     Designed to actively manage the gas valve, inducer draft motor, hot surface ignitor, and circulating blower, the ICM2805A features advanced diagnostic LEDs to simplify troubleshooting. Whether you are dealing with a \"no-heat\" call or an intermittent ignition failure, this board offers the precision and safety required to restore your system to peak performance.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Power Handling:\u003c\/strong\u003e Features a high-capacity cool blower relay rated for 2 HP motors (10A @ 240 VAC) for demanding applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Diagnostics:\u003c\/strong\u003e Onboard LEDs provide clear flash codes to identify issues like brownout voltage, flame faults, or ignition failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Monitored by a microprocessor with a 100% gas shutoff safety lockout if ignition is not established.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwinning Capable:\u003c\/strong\u003e Fully compatible with standard 24 VAC thermostats and supports twinning with a second ICM2805A for dual-furnace setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ICM2805A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ICM Controls (Made in the USA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120\/240 VAC @ 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnitor:\u003c\/strong\u003e 5A @ 120 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCool Blower\u003c\/strong\u003e: 10A, 2HP @ 240 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInducer Blower:\u003c\/strong\u003e 4A @ 120 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Valve:\u003c\/strong\u003e 1A @ 24 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6” L x 4.5” W x 1.5” H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 2.5 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e🛠️ HVAC Depot Pro Tip: Correcting \"Phantom\" Brownout Codes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eIf your ICM2805A shows a 6-flash \"Brownout\" code, it might not be a utility grid issue. Check your furnace transformer output. If the 24V side dips below 18VAC when the gas valve or inducer kicks on, the board will signal a brownout. Replacing a weak 24V Transformer often clears this code and prevents unnecessary system lockouts.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference \u0026amp; Compatibility:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe ICM2805A is a direct replacement for a massive range of Nordyne-family part numbers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eNordyne \/ Miller \/ Intertherm: \u003c\/strong\u003e\u003c\/h3\u003e\n903106, 903106-Kit, 624631, 624631-A, 624631-B, 624591 (A\/B\/C\/D), 6245640, 1012-955A\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eCarrier: \u003c\/strong\u003e\u003c\/h3\u003e\nHK42FZ011, HK42FZ013, HK42FZ0-xx series\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HVAC Parts and Equipment Depot","offers":[{"title":"Default Title","offer_id":52755202212203,"sku":"ICM2805A","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/tophvacparts.com\/products\/icm2807-carrier-2-stage-furnace-control-boards-icm2807-hk42fz017-copy","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}