{"product_id":"nordyne-661029r-orifice","title":"Nordyne 661029R Orifice","description":"\u003cp\u003eThe \u003cstrong\u003eNordyne 661029R\u003c\/strong\u003e is a precision-engineered \u003cstrong\u003e#29 NG Main Burner Orifice\u003c\/strong\u003e specifically designed for \u003cstrong\u003eNatural Gas furnace\u003c\/strong\u003e applications. As a genuine \u003cstrong\u003eOEM replacement part\u003c\/strong\u003e, it ensures the exact BTU output and atmospheric mixing required to maintain the combustion integrity of the burner assembly. This orifice features a fixed \u003cstrong\u003e#29 drill size\u003c\/strong\u003e, critical for regulating fuel flow in several \u003cstrong\u003eIntertherm, Miller, and Nordyne\u003c\/strong\u003e gas furnace series, including the \u003cstrong\u003eM1, MGH, and MG1E\u003c\/strong\u003e models. For contractors servicing mobile home or residential split systems, using a verified \u003cstrong\u003efurnace burner orifice\u003c\/strong\u003e is essential to prevent delayed ignition or soot buildup caused by improper fuel-to-air ratios. The \u003cstrong\u003e661029R orifice\u003c\/strong\u003e replaces legacy Nordyne part 660836, providing a seamless fit for the manifold and ensuring that the \u003cstrong\u003emanifold pressure\u003c\/strong\u003e matches the manufacturer's performance curve for safe and efficient heating cycles.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Precision:\u003c\/strong\u003e Guaranteed \u003cstrong\u003e#29 drill size\u003c\/strong\u003e accuracy for consistent BTU delivery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Fits common \u003cstrong\u003eIntertherm\u003c\/strong\u003e and \u003cstrong\u003eMiller furnace\u003c\/strong\u003e models including M1GH, MGHA, and MGBB series.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Supercession:\u003c\/strong\u003e Directly replaces outdated \u003cstrong\u003eNordyne part number 660836\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimal Combustion:\u003c\/strong\u003e Designed to maintain the correct venturi vacuum for a stable \u003cstrong\u003enatural gas burner\u003c\/strong\u003e flame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCan this orifice be used for Propane (LP) conversions?\u003c\/strong\u003e No, the \u003cstrong\u003e661029R\u003c\/strong\u003e is calibrated specifically for \u003cstrong\u003eNatural Gas\u003c\/strong\u003e; LP conversions require a different drill size.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHow do I resolve a weak yellow burner flame?\u003c\/strong\u003e A yellow flame often indicates a partial blockage or incorrect \u003cstrong\u003egas orifice\u003c\/strong\u003e size; replacing a fouled or incorrect orifice with a genuine \u003cstrong\u003e#29 NG orifice\u003c\/strong\u003e can restore proper blue flame combustion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIs this part compatible with my specific furnace model?\u003c\/strong\u003e This \u003cstrong\u003e#29 NG Main Burner Orifice\u003c\/strong\u003e is the standard specification for many 056-input models; always verify your unit's data plate before installation.\u003c\/li\u003e\n\u003c\/ul\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":"Nordyne","offers":[{"title":"Default Title","offer_id":35643859916,"sku":"661029R","price":18.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_37c61a3f-b33e-4ae9-b8ce-339c8a3d45cd.png?v=1786670624","url":"https:\/\/www.gsistore.com\/en-ca\/products\/nordyne-661029r-orifice","provider":"GSIstore","version":"1.0","type":"link"}