{"product_id":"laars-heating-systems-r10364300-return-header","title":"Laars Heating Systems R10364300 Return Header","description":"\u003cp data-start=\"0\" data-end=\"902\"\u003eThe Laars R10364300 return header is a glass-lined cast iron (C.I.) hydraulic component used in Laars heating systems to manage return water flow through the boiler or heater assembly. This Laars return header assembly is engineered with a glass-lined internal surface to resist corrosion and scale buildup, making it suitable for long-term service in hydronic heating applications. Designed as a cast iron return manifold, it ensures proper distribution and return of heated water while maintaining system efficiency and stable circulation. Commonly used in commercial and residential boiler service work, this component helps restore proper flow paths when original headers become compromised due to corrosion or thermal stress. HVACR technicians rely on this Laars hydronic return header to maintain system integrity and ensure consistent heat transfer performance in demanding operating conditions.\u003c\/p\u003e\n\u003cp data-start=\"904\" data-end=\"917\"\u003eKey Benefits:\u003c\/p\u003e\n\u003cul data-start=\"918\" data-end=\"1208\"\u003e\n\u003cli data-section-id=\"1ep8znc\" data-start=\"918\" data-end=\"971\"\u003eOEM-style return header for Laars heating systems\u003c\/li\u003e\n\u003cli data-section-id=\"1rl0h5z\" data-start=\"972\" data-end=\"1035\"\u003eGlass-lined cast iron construction for corrosion resistance\u003c\/li\u003e\n\u003cli data-section-id=\"19z401u\" data-start=\"1036\" data-end=\"1096\"\u003eSupports proper return water flow and system circulation\u003c\/li\u003e\n\u003cli data-section-id=\"1l0ynx2\" data-start=\"1097\" data-end=\"1148\"\u003eUsed in hydronic boiler and heater applications\u003c\/li\u003e\n\u003cli data-section-id=\"8kk6rq\" data-start=\"1149\" data-end=\"1208\"\u003eHelps restore efficiency in compromised heating systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1210\" data-end=\"1227\"\u003eCommon Questions:\u003c\/p\u003e\n\u003cul data-start=\"1228\" data-end=\"1531\"\u003e\n\u003cli data-section-id=\"8hrslr\" data-start=\"1228\" data-end=\"1346\"\u003eWhat does the R10364300 return header do? – It directs and manages return water flow back into the heating system.\u003c\/li\u003e\n\u003cli data-section-id=\"c8ti9h\" data-start=\"1347\" data-end=\"1447\"\u003eWhy is it glass-lined? – The lining helps reduce corrosion and scaling in hydronic environments.\u003c\/li\u003e\n\u003cli data-section-id=\"eqpx3d\" data-start=\"1448\" data-end=\"1531\"\u003eIs it universal? – No, it is designed for specific Laars system configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1533\" data-end=\"1723\" data-is-last-node=\"\" data-is-only-node=\"\"\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\n\u003cp\u003e\u003cspan\u003eR10364300 is the cross for 10364300 \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cspan style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/span\u003e\u003cspan style=\"font-size: 10.0pt; font-family: 'Arial',sans-serif; color: red; background: white;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e","brand":"Laars Heating Systems","offers":[{"title":"Default Title","offer_id":43260719104178,"sku":"R10364300","price":597.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/ac-parts-1000x1000_d1871b22-8ca6-4bb1-b7ed-ebabdf20bbc6.webp?v=1777655070","url":"https:\/\/www.gsistore.com\/en-ca\/products\/laars-heating-systems-r10364300-return-header","provider":"GSIstore","version":"1.0","type":"link"}