{"product_id":"weil-mclain-cga-25-series-3-38000-btu-cast-iron-natural-gas-boiler","title":"Weil-McLain CGa-25 Series 3 38,000 BTU Cast Iron Natural Gas Boiler","description":"\u003ch2\u003eWeil-McLain CGa-25 Series 3 38,000 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=\"755\"\u003e\n\u003cli data-start=\"31\" data-end=\"284\"\u003e\n\u003cp data-start=\"33\" data-end=\"284\"\u003e\u003cstrong data-start=\"33\" data-end=\"63\"\u003eReliable everyday heating:\u003c\/strong\u003e The \u003cstrong data-start=\"68\" data-end=\"139\"\u003eWeil‑McLain CGa‑25 Series 3 38,000 BTU Cast Iron Natural Gas Boiler\u003c\/strong\u003e delivers \u003cstrong data-start=\"149\" data-end=\"183\"\u003econsistent, even hydronic heat\u003c\/strong\u003e — ideal for \u003cstrong data-start=\"196\" data-end=\"258\"\u003esmall to mid‑size homes, cottages, or supplemental systems\u003c\/strong\u003e with lower heat demand.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"285\" data-end=\"461\"\u003e\n\u003cp data-start=\"287\" data-end=\"461\"\u003e\u003cstrong data-start=\"287\" data-end=\"314\"\u003eProven cast‑iron build:\u003c\/strong\u003e Cast‑iron sections offer \u003cstrong data-start=\"340\" data-end=\"391\"\u003eexcellent thermal mass and corrosion resistance\u003c\/strong\u003e, helping the boiler deliver stable warmth and long‑lasting service.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"462\" data-end=\"610\"\u003e\n\u003cp data-start=\"464\" data-end=\"610\"\u003e\u003cstrong data-start=\"464\" data-end=\"499\"\u003eStraightforward and dependable:\u003c\/strong\u003e Classic, no‑nonsense design with accessible components makes service and maintenance easier for technicians.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"611\" data-end=\"755\"\u003e\n\u003cp data-start=\"613\" data-end=\"755\"\u003e\u003cstrong data-start=\"613\" data-end=\"634\"\u003eTrusted heritage:\u003c\/strong\u003e Weil‑McLain’s CGa series has a strong track record for \u003cstrong data-start=\"690\" data-end=\"723\"\u003edurable, dependable operation\u003c\/strong\u003e across many years of field use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"757\" data-end=\"776\"\u003eProduct Q\u0026amp;A\u003c\/h5\u003e\n\u003cul data-start=\"777\" data-end=\"1428\"\u003e\n\u003cli data-start=\"777\" data-end=\"946\"\u003e\n\u003cp data-start=\"779\" data-end=\"946\"\u003e\u003cstrong data-start=\"779\" data-end=\"811\"\u003eWhat type of boiler is this?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA \u003cstrong data-start=\"818\" data-end=\"866\"\u003ecast‑iron, natural gas‑fired hydronic boiler\u003c\/strong\u003e designed for space heating via baseboards, radiators, or radiant floor loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"947\" data-end=\"1100\"\u003e\n\u003cp data-start=\"949\" data-end=\"1100\"\u003e\u003cstrong data-start=\"949\" data-end=\"977\"\u003eWhat is the heat output?\u003c\/strong\u003e\u003cbr data-start=\"977\" data-end=\"980\"\u003e\u003cstrong data-start=\"982\" data-end=\"1001\"\u003e38,000 BTU\/hour\u003c\/strong\u003e — well‑suited for \u003cstrong data-start=\"1020\" data-end=\"1067\"\u003esmaller homes or lower load heating systems\u003c\/strong\u003e where moderate heat is needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1101\" data-end=\"1266\"\u003e\n\u003cp data-start=\"1103\" data-end=\"1266\"\u003e\u003cstrong data-start=\"1103\" data-end=\"1139\"\u003eDoes it require special venting?\u003c\/strong\u003e\u003cbr data-start=\"1139\" data-end=\"1142\"\u003eYes — conventional gas boilers need \u003cstrong data-start=\"1180\" data-end=\"1209\"\u003eproper chimney or venting\u003c\/strong\u003e in accordance with local codes and manufacturer specs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1267\" data-end=\"1428\"\u003e\n\u003cp data-start=\"1269\" data-end=\"1428\"\u003e\u003cstrong data-start=\"1269\" data-end=\"1309\"\u003eCan it be used for new construction?\u003c\/strong\u003e\u003cbr data-start=\"1309\" data-end=\"1312\"\u003eYes — especially where a \u003cstrong data-start=\"1339\" data-end=\"1377\"\u003ecompact, reliable cast‑iron boiler\u003c\/strong\u003e is preferred for heating efficiency and longevity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"1430\" data-end=\"1454\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul data-start=\"1455\" data-end=\"2225\"\u003e\n\u003cli data-start=\"1455\" data-end=\"1638\"\u003e\n\u003cp data-start=\"1457\" data-end=\"1638\"\u003e\u003cstrong data-start=\"1457\" data-end=\"1489\"\u003eAnnual professional service:\u003c\/strong\u003e Schedule a licensed HVAC technician to inspect and tune the boiler before each heating season — checking the burner, heat exchanger, and controls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1639\" data-end=\"1771\"\u003e\n\u003cp data-start=\"1641\" data-end=\"1771\"\u003e\u003cstrong data-start=\"1641\" data-end=\"1683\"\u003eMonitor system pressure \u0026amp; water level:\u003c\/strong\u003e Keep the pressure within recommended ranges and check the expansion tank’s condition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1772\" data-end=\"1890\"\u003e\n\u003cp data-start=\"1774\" data-end=\"1890\"\u003e\u003cstrong data-start=\"1774\" data-end=\"1791\"\u003eAir bleeding:\u003c\/strong\u003e Release trapped air from baseboards or radiators periodically to promote even heat distribution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1891\" data-end=\"2003\"\u003e\n\u003cp data-start=\"1893\" data-end=\"2003\"\u003e\u003cstrong data-start=\"1893\" data-end=\"1930\"\u003eInspect venting \u0026amp; combustion air:\u003c\/strong\u003e Ensure flue and air intakes remain clear of debris and operate safely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2004\" data-end=\"2113\"\u003e\n\u003cp data-start=\"2006\" data-end=\"2113\"\u003e\u003cstrong data-start=\"2006\" data-end=\"2026\"\u003eCheck for leaks:\u003c\/strong\u003e Regularly inspect around valves, joints, and piping for signs of water or gas leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2114\" data-end=\"2225\"\u003e\n\u003cp data-start=\"2116\" data-end=\"2225\"\u003e\u003cstrong data-start=\"2116\" data-end=\"2143\"\u003eFlush system as needed:\u003c\/strong\u003e Periodic flushing helps reduce sediment buildup and maintain boiler efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weil-McLain","offers":[{"title":"Default Title","offer_id":54162689229084,"sku":"W381359070","price":2718.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/0622\/4924\/files\/Weil-McLain-CGa-25-Series-3-38000-BTU-Cast-Iron-Natural-Gas-Boiler-Main-Image_16.jpg?v=1780152214","url":"https:\/\/www.mybackyardzone.com\/products\/weil-mclain-cga-25-series-3-38000-btu-cast-iron-natural-gas-boiler","provider":"Backup Power Made Simple","version":"1.0","type":"link"}