{"product_id":"weil-mclain-386701030-water-boiler-gold-packaged-5-section-86-203k-btu-oil-with-burner-with-tankless-natural-draft","title":"Weil-McLain 386701030 Water Boiler Gold Packaged 5 Section 86% 203K BTU Oil  with Burner with Tankless Natural Draft","description":"\u003cp\u003eA high‑capacity five‑section cast‑iron oil‑fired water boiler engineered for strong hydronic output, long service life, and reliable domestic‑hot‑water production. Built on the proven Weil‑McLain Gold platform, the 386701030 arrives as a factory‑packaged unit with burner installed, ensuring proper alignment, consistent ignition, and reduced installation time. This model includes an integrated tankless coil, providing on‑demand domestic hot water without the need for an indirect tank. Designed for natural‑draft chimney venting, it is a straightforward replacement for older atmospheric oil boilers in larger homes.\u003c\/p\u003e\n\n\u003cp\u003eKey Features\u003cbr\u003e\nFive‑section cast‑iron heat exchanger delivering high output, thermal stability, and long‑term durability.\u003c\/p\u003e\n\n\u003cp\u003e203,000 BTU heating capacity suited for larger homes or higher‑demand hydronic systems.\u003c\/p\u003e\n\n\u003cp\u003eIntegrated tankless coil providing continuous domestic hot water directly from the boiler.\u003c\/p\u003e\n\n\u003cp\u003eFactory‑installed oil burner matched to the boiler’s firing rate for clean, stable combustion.\u003c\/p\u003e\n\n\u003cp\u003e86% AFUE efficiency offering dependable performance with simple annual maintenance.\u003c\/p\u003e\n\n\u003cp\u003eNatural‑draft chimney venting ideal for retrofit installations using existing flue systems.\u003c\/p\u003e\n\n\u003cp\u003eQuiet, low‑vibration operation supported by Weil‑McLain’s combustion chamber and block design.\u003c\/p\u003e\n\n\u003cp\u003eService‑friendly layout with accessible burner, controls, and piping connections.\u003c\/p\u003e\n\n\u003cp\u003eIdeal Applications\u003cbr\u003e\nLarger homes needing a high‑capacity oil boiler that provides both hydronic heat and on‑demand domestic hot water through a built‑in tankless coil, especially where chimney venting is already in place.\u003c\/p\u003e","brand":"Installed HVAC Pros","offers":[{"title":"Default Title","offer_id":49061766332667,"sku":"W\/MPWTGO5","price":9924.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9406\/6171\/files\/28213_80be889f-90ca-491b-afdd-a525d6632b16.jpg?v=1783704137","url":"https:\/\/installedhvacpros.com\/products\/weil-mclain-386701030-water-boiler-gold-packaged-5-section-86-203k-btu-oil-with-burner-with-tankless-natural-draft","provider":"Installed HVAC Pros","version":"1.0","type":"link"}