{"product_id":"icm-controls-icm2820-furnace-control-board-18-30-vac","title":"Icm Controls icm2820 Furnace Control Board 18\/30 Vac","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ICM CONTROLS icm2820 is a furnace control board designed to manage the core operating functions of a gas furnace. It sequences and controls the induced draft blower, circulator blower, gas valve, ignitor, and flame sensor based on signals received from the thermostat and onboard sensors. The icm2820 also includes integrated fault detection, communicating faults in real time via an onboard LED diagnostic display. When conditions require it, the board initiates a timed safety lockout to protect the system from unsafe operating states. Licensed HVAC technicians install this board during service calls or furnace refurbishment.\u003c\/p\u003e\u003cp\u003eThis control board is suited for residential gas furnace applications where a direct replacement control is needed to restore full system sequencing and safety monitoring. It handles low-voltage thermostat input processing alongside line-voltage output switching for blower and valve control, making it a functional all-in-one solution for standard forced-air furnace systems. Installers working on system-down service calls will find it addresses both sequencing failures and fault-communication needs in a single board replacement.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eControls induced draft blower, circulator blower, gas valve, ignitor, and flame sensor sequencing\u003c\/li\u003e\n\u003cli\u003eAccepts inputs from thermostat and multiple furnace safety sensors\u003c\/li\u003e\n\u003cli\u003eOnboard LED display communicates active and stored fault codes\u003c\/li\u003e\n\u003cli\u003eTimed safety lockout engages automatically when unsafe conditions are detected\u003c\/li\u003e\n\u003cli\u003eOperates at 18\/30 VAC for compatibility with standard low-voltage furnace control circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement control board for residential gas furnace applications requiring standard sequencing and fault-detection functionality.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation of a furnace control board should be performed by a licensed HVAC technician. Disconnect power to the furnace at the disconnect switch or breaker and shut off the gas supply before beginning any board removal or installation. Document existing wiring connections before disconnecting them to ensure accurate reinstallation. Work must comply with local mechanical and electrical codes, including applicable IFGC and NEC requirements.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 18\/30 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Furnace Control Board\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ICM CONTROLS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: icm2820\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ICM CONTROLS","offers":[{"title":"Default Title","offer_id":51468209619250,"sku":"ICM2820","price":93.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/313945508.jpg?v=1783914542","url":"https:\/\/voomisupply.com\/products\/icm-controls-icm2820-furnace-control-board-18-30-vac","provider":"Voomi Supply","version":"1.0","type":"link"}