{"product_id":"weil-mclain-cga-6-series-3-166000-btu-cast-iron-natural-gas-boiler","title":"Weil-McLain CGa-6 Series 3 166,000 BTU Cast Iron Natural Gas Boiler","description":"\u003ch2\u003eWeil-McLain CGa-6 Series 3 166,000 BTU Cast Iron Natural Gas Boiler\u003c\/h2\u003e\n\u003cp\u003eWeil-McLain is a leading North American Brand of hydronic comfort heating systems for residential, commercial and institutional buildings, since 1881. Contractors, engineers, architects, homeowners, and facility managers alike rely on Weil-McLain boilers for their comfort heating needs. Installed in homes, offices, schools, restaurants, hotels, and other facilities throughout North America, the Weil-McLain brand is among the most trusted and often used in the building industry.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNatural draft, silent operation\u003c\/li\u003e\n\u003cli\u003eIntegrated Boiler Control Module with intermittent electronic ignition system and indicator\/diagnostic lights\u003c\/li\u003e\n\u003cli\u003eCompact design saves valuable living space\u003c\/li\u003e\n\u003cli\u003eBuilt-in low water cut off functionality\u003c\/li\u003e\n\u003cli\u003eStainless steel burners for quieter ignition, longer life, and improved combustion\u003c\/li\u003e\n\u003cli\u003eGas fired water boiler with cast iron sections\u003c\/li\u003e\n\u003cli\u003eEasily accessible controls, vertical flueways, and top cleaning for easy and quick servicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"0\" data-end=\"30\"\u003eWhat Our Experts Think\u003c\/h5\u003e\n\u003cul data-start=\"31\" data-end=\"808\"\u003e\n\u003cli data-start=\"31\" data-end=\"304\"\u003e\n\u003cp data-start=\"33\" data-end=\"304\"\u003e\u003cstrong data-start=\"33\" data-end=\"69\"\u003eDependable hydronic performance:\u003c\/strong\u003e The \u003cstrong data-start=\"74\" data-end=\"145\"\u003eWeil‑McLain CGa‑6 Series 3 166,000 BTU Cast Iron Natural Gas Boiler\u003c\/strong\u003e delivers \u003cstrong data-start=\"155\" data-end=\"180\"\u003econsistent, even heat\u003c\/strong\u003e for \u003cstrong data-start=\"185\" data-end=\"249\"\u003elarger homes, multifamily units, and light commercial spaces\u003c\/strong\u003e, providing comfort and reliability you can count on.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"305\" data-end=\"495\"\u003e\n\u003cp data-start=\"307\" data-end=\"495\"\u003e\u003cstrong data-start=\"307\" data-end=\"341\"\u003eRugged cast‑iron construction:\u003c\/strong\u003e Heavy‑duty cast iron offers \u003cstrong data-start=\"370\" data-end=\"421\"\u003eexcellent thermal mass and corrosion resistance\u003c\/strong\u003e, helping the boiler maintain stable temperatures and long service life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"496\" data-end=\"650\"\u003e\n\u003cp data-start=\"498\" data-end=\"650\"\u003e\u003cstrong data-start=\"498\" data-end=\"525\"\u003eStraightforward design:\u003c\/strong\u003e Proven conventional boiler architecture makes \u003cstrong data-start=\"572\" data-end=\"624\"\u003eservice, maintenance, and troubleshooting easier\u003c\/strong\u003e for HVAC professionals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"651\" data-end=\"808\"\u003e\n\u003cp data-start=\"653\" data-end=\"808\"\u003e\u003cstrong data-start=\"653\" data-end=\"679\"\u003eTrusted brand history:\u003c\/strong\u003e Weil‑McLain’s CGa range has a strong reputation for \u003cstrong data-start=\"732\" data-end=\"767\"\u003edurable, long‑lasting operation\u003c\/strong\u003e in traditional hydronic heating systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"810\" data-end=\"829\"\u003eProduct Q\u0026amp;A\u003c\/h5\u003e\n\u003cul data-start=\"830\" data-end=\"1520\"\u003e\n\u003cli data-start=\"830\" data-end=\"989\"\u003e\n\u003cp data-start=\"832\" data-end=\"989\"\u003e\u003cstrong data-start=\"832\" data-end=\"864\"\u003eWhat type of boiler is this?\u003c\/strong\u003e\u003cbr data-start=\"864\" data-end=\"867\"\u003eA \u003cstrong data-start=\"871\" data-end=\"919\"\u003ecast‑iron, natural gas‑fired hydronic boiler\u003c\/strong\u003e that heats water for baseboards, radiators, or radiant floor loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"990\" data-end=\"1161\"\u003e\n\u003cp data-start=\"992\" data-end=\"1161\"\u003e\u003cstrong data-start=\"992\" data-end=\"1025\"\u003eWhat is the heating capacity?\u003c\/strong\u003e\u003cbr data-start=\"1025\" data-end=\"1028\"\u003e\u003cstrong data-start=\"1030\" data-end=\"1050\"\u003e166,000 BTU\/hour\u003c\/strong\u003e — suitable for \u003cstrong data-start=\"1066\" data-end=\"1096\"\u003emedium‑large heating loads\u003c\/strong\u003e in residential, multifamily, or light commercial applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1162\" data-end=\"1348\"\u003e\n\u003cp data-start=\"1164\" data-end=\"1348\"\u003e\u003cstrong data-start=\"1164\" data-end=\"1200\"\u003eDoes it require special venting?\u003c\/strong\u003e\u003cbr data-start=\"1200\" data-end=\"1203\"\u003eYes — like all conventional gas boilers, it needs \u003cstrong data-start=\"1255\" data-end=\"1289\"\u003eproper chimney or flue venting\u003c\/strong\u003e installed per local codes and manufacturer instructions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1349\" data-end=\"1520\"\u003e\n\u003cp data-start=\"1351\" data-end=\"1520\"\u003e\u003cstrong data-start=\"1351\" data-end=\"1393\"\u003eIs this suitable for new construction?\u003c\/strong\u003e\u003cbr data-start=\"1393\" data-end=\"1396\"\u003eYes — especially in systems where \u003cstrong data-start=\"1432\" data-end=\"1464\"\u003erobust cast‑iron performance\u003c\/strong\u003e is preferred and condensing efficiency is not required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"1522\" data-end=\"1546\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul data-start=\"1547\" data-end=\"2336\"\u003e\n\u003cli data-start=\"1547\" data-end=\"1732\"\u003e\n\u003cp data-start=\"1549\" data-end=\"1732\"\u003e\u003cstrong data-start=\"1549\" data-end=\"1584\"\u003eAnnual professional inspection:\u003c\/strong\u003e Have a licensed HVAC technician check the boiler before each heating season — examining the \u003cstrong data-start=\"1677\" data-end=\"1729\"\u003eburner, heat exchanger, combustion, and controls\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1733\" data-end=\"1875\"\u003e\n\u003cp data-start=\"1735\" data-end=\"1875\"\u003e\u003cstrong data-start=\"1735\" data-end=\"1772\"\u003eMonitor pressure and water level:\u003c\/strong\u003e Keep system pressure within manufacturer‑recommended ranges and verify \u003cstrong data-start=\"1844\" data-end=\"1872\"\u003eexpansion tank condition\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1876\" data-end=\"1977\"\u003e\n\u003cp data-start=\"1878\" data-end=\"1977\"\u003e\u003cstrong data-start=\"1878\" data-end=\"1902\"\u003eBleed heat circuits:\u003c\/strong\u003e Release trapped air from radiators or baseboards to ensure even heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1978\" data-end=\"2098\"\u003e\n\u003cp data-start=\"1980\" data-end=\"2098\"\u003e\u003cstrong data-start=\"1980\" data-end=\"2000\"\u003eInspect venting:\u003c\/strong\u003e Ensure chimney or flue paths remain \u003cstrong data-start=\"2037\" data-end=\"2066\"\u003eclear and properly sealed\u003c\/strong\u003e to prevent combustion issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2099\" data-end=\"2211\"\u003e\n\u003cp data-start=\"2101\" data-end=\"2211\"\u003e\u003cstrong data-start=\"2101\" data-end=\"2121\"\u003eCheck for leaks:\u003c\/strong\u003e Regularly inspect around valves, connections, and pipe joints for water or gas leakage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2212\" data-end=\"2336\"\u003e\n\u003cp data-start=\"2214\" data-end=\"2336\"\u003e\u003cstrong data-start=\"2214\" data-end=\"2243\"\u003ePeriodic system flushing:\u003c\/strong\u003e Flushing helps remove sediment and scale, improving efficiency and extending component life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weil-McLain","offers":[{"title":"Default Title","offer_id":54162689065244,"sku":"W381359078","price":4179.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/0622\/4924\/files\/Weil-McLain-CGa-6-Series-3-166000-BTU-Cast-Iron-Natural-Gas-Boiler-Main-Image_29.jpg?v=1780152206","url":"https:\/\/www.mybackyardzone.com\/products\/weil-mclain-cga-6-series-3-166000-btu-cast-iron-natural-gas-boiler","provider":"Backup Power Made Simple","version":"1.0","type":"link"}