{"product_id":"icp-17123000a01904-for-40mbqb18d-311","title":"ICP Control Main Board 17123000A01904 for 40MBQB18D--311--","description":"\u003cp\u003eDirect factory replacement \u003cb\u003e17123000A01904\u003c\/b\u003e for the ICP \u003cb\u003e40MBQB18D--311--\u003c\/b\u003e, matched to the original build sheet. Fitment guaranteed — free returns if it doesn't fit.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd\u003e17123000A01904\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew — genuine OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eSymptoms of a failing control board\u003c\/h3\u003e\u003cp\u003eWatch for: Error codes tracing to this component, the system short-cycles or locks out, performance that degrades under load. Catching it early protects the components around it.\u003c\/p\u003e\u003ch3\u003eReplacement guide\u003c\/h3\u003e\u003cp\u003eSwap the part, torque fasteners evenly, and route wires away from hot or moving surfaces. Run a complete cycle and verify normal operation before closing the panel.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cb\u003eIs this the exact OEM part for my 40MBQB18D--311--?\u003c\/b\u003e Yes — verified factory fitment for that model.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eNot sure of your model?\u003c\/b\u003e Chat with Mike with the number from your unit's nameplate and we'll confirm before you order.\u003c\/p\u003e","brand":"ICP","offers":[{"title":"Default Title","offer_id":63830592553331,"sku":"ICP-40MBQB18D--311---17123000A01904","price":299.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/icp-17123000a01904-for-40mbqb18d-311","provider":"National HVAC Parts","version":"1.0","type":"link"}