{"product_id":"weil-mclain-oil-fired-water-boiler-golds4-packaged","title":"Weil-McLain Oil-Fired Water Boiler GoldS4 Packaged 5-Section w\/ Burner","description":"\u003cp\u003eA heavy‑duty five‑section cast‑iron oil-fired water boiler engineered for high heating demand, long service life, and stable hydronic performance. Built on the proven Gold S4 platform, the 386701015 arrives as a factory‑packaged unit with burner installed, ensuring proper alignment, consistent ignition, and reduced installation time. With its 203,000 BTU output and natural‑draft chimney venting, this oil-fired water boiler is an ideal replacement for larger atmospheric oil boilers in residential or light commercial applications.\u003c\/p\u003e\n\n\u003cp\u003eKey Features\u003cbr\u003eFive‑section cast‑iron heat exchanger delivering strong heat output, even heat transfer, and long‑term durability.\u003c\/p\u003e\n\n\u003cp\u003e203,000 BTU heating capacity suited for larger homes or higher‑load hydronic systems.\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 providing dependable performance with straightforward annual maintenance.\u003c\/p\u003e\n\n\u003cp\u003eNatural‑draft chimney venting for easy retrofit into 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\u003eLarger homes or light commercial buildings needing a high‑capacity, natural‑draft oil boiler with a factory‑matched burner and the proven reliability of the Gold S4 cast‑iron platform.\u003c\/p\u003e","brand":"Installed HVAC Pros","offers":[{"title":"Default Title","offer_id":48665119129851,"sku":"W\/MPWGO5","price":9549.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9406\/6171\/files\/28208.jpg?v=1776257905","url":"https:\/\/installedhvacpros.com\/products\/weil-mclain-oil-fired-water-boiler-golds4-packaged","provider":"Installed HVAC Pros","version":"1.0","type":"link"}