{"product_id":"100187879-lochinvar-a-o-smith-pyrolite-insulation-disk","title":"100187879 Lochinvar \u0026 A.O. Smith PYROLITE INSULATION DISK","description":"\u003ch1\u003e100187879 Lochinvar \u0026amp; A.O. Smith PYROLITE INSULATION DISK\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eLochinvar \u0026amp; A.O. Smith 100187879 Pyrolite Insulation Disk\u003c\/strong\u003e is a \u003cstrong\u003egenuine OEM high‑temperature insulation component\u003c\/strong\u003e engineered to maintain thermal integrity and combustion efficiency in compatible Lochinvar and A.O. Smith water heaters and boilers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from \u003cstrong\u003ePyrolite\u003c\/strong\u003e, a durable, heat‑resistant refractory material, this insulation disk provides a stable thermal barrier that protects surrounding components from extreme temperatures and supports consistent, efficient burner operation. It is designed for a \u003cstrong\u003eprecise OEM fit\u003c\/strong\u003e and long‑lasting performance in high‑heat zones such as burner assemblies, combustion chambers, and flue interfaces. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDirect OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e100187879 — Lochinvar \u0026amp; A.O. Smith Pyrolite Insulation Disk\u003c\/strong\u003e (OEM replacement part; verified across Jackson Systems, PartsHnC, Hotwaterparts) \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-lg-strong pb-1 [\u0026amp;:not(:first-child)]:pt-3.5\"\u003e\u003cstrong\u003eEquivalent \/ Same Part Number\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e100187879 (A.O. Smith OEM)\u003c\/strong\u003e — Factory repair part, ships in original packaging \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-lg-strong pb-1 [\u0026amp;:not(:first-child)]:pt-3.5\"\u003e\u003cstrong\u003eRelated Pyrolite \/ High‑Temp Insulation Components\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePyrolite burner insulation disks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePyrolite refractory shields used in Lochinvar \u0026amp; A.O. Smith combustion assemblies \u003cem\u003e(inference based on product family; not directly listed as cross‑references)\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnician Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePyrolite insulation disks \u003cstrong\u003emust be installed by a licensed technician\u003c\/strong\u003e to maintain warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReplace when insulation shows \u003cstrong\u003ecracking, erosion, hot spots, or heat‑stress deformation\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlways verify compatibility with the specific water heater or boiler model.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSupports stable combustion, reduces heat loss, and protects adjacent components. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neuco","offers":[{"title":"Default Title","offer_id":45368783568962,"sku":null,"price":198.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Screenshot2026-10-05165150.png?v=1791244323","url":"https:\/\/hvacpartstore.com\/products\/100187879-lochinvar-a-o-smith-pyrolite-insulation-disk","provider":"HVACpartstore","version":"1.0","type":"link"}