{"product_id":"lochinvar-a-o-smith-100312667-board","title":"Lochinvar \u0026 A.O. Smith 100312667 Board","description":"\u003cp\u003eThe \u003cstrong\u003eLochinvar \u0026amp; A.O. Smith 100312667 Service PCP-IEC Board\u003c\/strong\u003e is a critical integrated control component designed for high-efficiency commercial water heaters and boilers. This \u003cstrong\u003eBlue Board\u003c\/strong\u003e serves as the primary \u003cstrong\u003eelectronic control module\u003c\/strong\u003e, managing ignition sequences, flame sensing, and temperature regulation. It is the direct \u003cstrong\u003eOEM replacement for 100187861\u003c\/strong\u003e, engineered to restore full functionality to the \u003cstrong\u003ePCP-IEC ignition system\u003c\/strong\u003e. When diagnosing \u003cstrong\u003efault codes\u003c\/strong\u003e or communication errors in \u003cstrong\u003eLochinvar Shield\u003c\/strong\u003e or \u003cstrong\u003eA.O. Smith Cyclone\u003c\/strong\u003e models, technician-grade boards like the \u003cstrong\u003e100312667\u003c\/strong\u003e ensure precise voltage modulation and reliable sensor feedback. This service kit is essential for contractors maintaining system uptime and operational safety in high-demand hydronic applications. Proper installation requires verifying \u003cstrong\u003ecompatibility\u003c\/strong\u003e with the existing wiring harness and ensuring the \u003cstrong\u003econtrol board\u003c\/strong\u003e parameters align with specific BTU ratings of the heat exchanger assembly.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits for Technicians\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect \u003cstrong\u003eOEM replacement\u003c\/strong\u003e ensures exact fitment and communication protocols without field modifications.\u003c\/li\u003e\n  \u003cli\u003eCompatible with a wide range of \u003cstrong\u003eA.O. Smith and Lochinvar\u003c\/strong\u003e commercial units, streamlining inventory.\u003c\/li\u003e\n  \u003cli\u003eModernized \u003cstrong\u003ePCP-IEC Blue Board\u003c\/strong\u003e hardware improves resistance to electrical noise and voltage fluctuations.\u003c\/li\u003e\n  \u003cli\u003eFacilitates accurate \u003cstrong\u003eHVAC troubleshooting\u003c\/strong\u003e by providing stable diagnostic feedback for service calls.\u003c\/li\u003e\n  \u003cli\u003eBuilt to handle the high-cycle demands of commercial \u003cstrong\u003ewater heater ignition controls\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Service Questions\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm if the 100312667 is the correct board for my boiler?\u003c\/strong\u003e\u003cbr\u003e\nVerify the part number on the existing PCB or cross-reference the 100187861 legacy number. This board is typically utilized in the \u003cstrong\u003eLochinvar Shield (SWH)\u003c\/strong\u003e and \u003cstrong\u003eA.O. Smith Cyclone (BTH)\u003c\/strong\u003e series.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does the 'Blue Board' designation signify for these units?\u003c\/strong\u003e\u003cbr\u003e\nThe blue color distinguishes this specific \u003cstrong\u003ePCP-IEC\u003c\/strong\u003e generation from older versions, indicating updated logic firmware for better \u003cstrong\u003ecombustion management\u003c\/strong\u003e and safety monitoring.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this control module include the mounting standoffs or wiring harness?\u003c\/strong\u003e\u003cbr\u003e\nThis is the service board only. Technicians should retain the original mounting hardware and inspect the harness for signs of \u003cstrong\u003elocalized overheating\u003c\/strong\u003e before installing the new component.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Lochinvar \u0026 A.O. Smith","offers":[{"title":"Default Title","offer_id":10864661528691,"sku":"100312667","price":298.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_9d265883-afde-4e9e-8c45-9d311b823225.png?v=1785521112","url":"https:\/\/www.gsistore.com\/products\/lochinvar-a-o-smith-100312667-board","provider":"GSIstore","version":"1.0","type":"link"}