{"product_id":"mr-heater-27930-led-control-board-off-switch-35000-btu-h","title":"Mr Heater 27930 Led Control Board Off Switch 35000 Btu\/h","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe MR HEATER 27930 is an LED control board with integrated off switch, designed for MR HEATER room heating units rated at 35,000 BTU\/h. This board serves as the primary control interface for the heater, managing operational status indication through LED signaling and providing a direct power-off switching function. It is a manufacturer-sourced replacement part intended for service and repair of compatible MR HEATER room air heating equipment. HVAC technicians and qualified service professionals install this board when the original control board has failed or requires replacement to restore proper heater operation.\u003c\/p\u003e\u003cp\u003eThis control board is suited for residential and light commercial room heating applications where MR HEATER equipment rated at 35,000 BTU\/h is installed. It is a direct replacement part within the MR HEATER parts and accessories lineup, designed to restore factory control functionality to the heater unit. Typical installation occurs during a service call when LED indicator failure or off-switch malfunction is identified as the root cause of heater performance issues.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIntegrated LED status indicator for operational monitoring\u003c\/li\u003e\n\u003cli\u003eBuilt-in off switch for direct power control at the board level\u003c\/li\u003e\n\u003cli\u003eRated for 35,000 BTU\/h heating equipment\u003c\/li\u003e\n\u003cli\u003eOEM replacement part from MR HEATER\u003c\/li\u003e\n\u003cli\u003eDesigned for room air heating unit applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement control board for MR HEATER room air heating units rated at 35,000 BTU\/h.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified HVAC technician or licensed service professional. Disconnect power to the heater unit completely before removing or handling the control board. Follow all applicable local electrical codes and manufacturer service documentation when routing and reconnecting wiring. Do not restore power to the unit until the board is fully seated and all connections are secured.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating Capacity\u003c\/strong\u003e: 35,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type\u003c\/strong\u003e: LED Control Board with Off Switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: MR HEATER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 27930\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MR HEATER","offers":[{"title":"Default Title","offer_id":51199455265074,"sku":"27930","price":29.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/307147217.jpg?v=1779683919","url":"https:\/\/voomisupply.com\/products\/mr-heater-27930-led-control-board-off-switch-35000-btu-h","provider":"Voomi Supply","version":"1.0","type":"link"}