{"product_id":"180308-suburban-bruner-orifice-metric-threads-51","title":"180308 Suburban Bruner Orifice (METRIC THREADS) #51","description":"\u003ch1\u003e180308 Suburban Bruner Orifice (METRIC THREADS) #51\u003c\/h1\u003e\n\u003ch2\u003eSF-35 35F (ABOVE SERIAL NO. 021206467) SH-35 35F SF\/SFVH-35Q\/FQQ\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eSuburban 180308 Burner Orifice\u003c\/strong\u003e meters the correct LP gas flow into the burner tube on 35k BTU Suburban furnaces. Sized at \u003cstrong\u003e#51\u003c\/strong\u003e, it is calibrated for the SF‑35\/SH‑35 family’s BTU output and ensures proper ignition, stable flame shape, and clean combustion. The \u003cstrong\u003emetric thread design\u003c\/strong\u003e is used on later‑production furnaces and all Q\/FQ variants.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCorrect thread type is essential—using a standard‑thread orifice in a metric burner assembly can cause cross‑threading, gas leaks, or improper seating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eKey functions this orifice supports\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaintains correct LP gas flow for 35k BTU furnace platforms\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnsures stable flame shape and clean combustion\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSupports reliable ignition and consistent heating output\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrevents soot, yellow flames, and over‑ or under‑firing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSF‑Series Furnaces:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSF‑35\u003c\/strong\u003e \u003cem\u003e(units above serial no. 021206467)\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSF‑35F\u003c\/strong\u003e \u003cem\u003e(units above serial no. 021206467)\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSF‑35Q\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSF‑35FQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSFVH‑Series Furnaces:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSFVH‑35Q\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSFVH‑35FQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSH‑Series Furnaces:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSH‑35\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSH‑35F\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis is the correct OEM \u003cstrong\u003emetric‑thread #51\u003c\/strong\u003e orifice for all models listed above.\u003c\/span\u003e\u003c\/p\u003e","brand":"Laurelhurst","offers":[{"title":"Default Title","offer_id":43069381312578,"sku":"S180308","price":2.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/SuburbanBrunerOrifice_e4b87415-63f5-4920-bde0-ae048571fee6.webp?v=1773007056","url":"https:\/\/hvacpartstore.com\/products\/180308-suburban-bruner-orifice-metric-threads-51","provider":"HVACpartstore","version":"1.0","type":"link"}