{"product_id":"weil-mclain-ab-80c-aquabalance-series-2-80000-btu-condensing-gas-combi-boiler","title":"Weil-McLain AB-80C AquaBalance Series 2 80,000 BTU Condensing Gas Combi-Boiler","description":"\u003ch2\u003eWeil-McLain AB-80C AquaBalance Series 2 80,000 BTU Condensing Gas Combi-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\u003eCompact design to increase placement options\u003c\/li\u003e\n\u003cli\u003eHeavy gauge insulated jacket provides quiet operation\u003c\/li\u003e\n\u003cli\u003eContractor-friendly removable sides\u003c\/li\u003e\n\u003cli\u003ePre-wired, plug-in ready electrical design\u003c\/li\u003e\n\u003cli\u003eCommercial grade 120V power 6' cord with 3 prong plug\u003c\/li\u003e\n\u003cli\u003e24 VAC thermostat relay, fuse protected with prewired terminal strip\u003c\/li\u003e\n\u003cli\u003eHoneywell control with digital display\u003c\/li\u003e\n\u003cli\u003eWall mounting bracket and hardware included\u003c\/li\u003e\n\u003cli\u003eUnique \"3-in-1\" vent adapter readily accepts PVC, CPVC, SS, or PP vent materials\u003c\/li\u003e\n\u003cli\u003eMultiple vent options includes direct vent, 2 pipes or concentric, through roof or sidewall\u003c\/li\u003e\n\u003cli\u003eStrategically placed sensors used instead of additional bulky boiler controls\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=\"791\"\u003e\n\u003cli data-start=\"31\" data-end=\"282\"\u003e\n\u003cp data-start=\"33\" data-end=\"282\"\u003e\u003cstrong data-start=\"33\" data-end=\"56\"\u003eAll‑in‑one comfort:\u003c\/strong\u003e The \u003cstrong data-start=\"61\" data-end=\"143\"\u003eWeil‑McLain AB‑80C AquaBalance Series 2 80,000 BTU Condensing Gas Combi‑Boiler\u003c\/strong\u003e combines \u003cstrong data-start=\"153\" data-end=\"209\"\u003ehigh‑efficiency space heating and domestic hot water\u003c\/strong\u003e in a single unit — ideal for homes where space and performance matter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"283\" data-end=\"462\"\u003e\n\u003cp data-start=\"285\" data-end=\"462\"\u003e\u003cstrong data-start=\"285\" data-end=\"317\"\u003eEfficient condensing design:\u003c\/strong\u003e Uses condensing technology to extract extra heat from combustion gases, resulting in \u003cstrong data-start=\"403\" data-end=\"418\"\u003ehigher AFUE\u003c\/strong\u003e, lower fuel costs, and reduced emissions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"463\" data-end=\"626\"\u003e\n\u003cp data-start=\"465\" data-end=\"626\"\u003e\u003cstrong data-start=\"465\" data-end=\"492\"\u003eSmart, compact package:\u003c\/strong\u003e Space‑saving footprint and integrated design reduce installation complexity compared with separate boiler and water heater systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"627\" data-end=\"791\"\u003e\n\u003cp data-start=\"629\" data-end=\"791\"\u003e\u003cstrong data-start=\"629\" data-end=\"650\"\u003eQuiet \u0026amp; reliable:\u003c\/strong\u003e Smooth combustion, corrosion‑resistant heat exchangers, and accessible service points provide dependable performance and easier maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"793\" data-end=\"812\"\u003eProduct Q\u0026amp;A\u003c\/h5\u003e\n\u003cul data-start=\"813\" data-end=\"1508\"\u003e\n\u003cli data-start=\"813\" data-end=\"1022\"\u003e\n\u003cp data-start=\"815\" data-end=\"1022\"\u003e\u003cstrong data-start=\"815\" data-end=\"842\"\u003eWhat is a combi‑boiler?\u003c\/strong\u003e\u003cbr data-start=\"842\" data-end=\"845\"\u003eA \u003cstrong data-start=\"849\" data-end=\"871\"\u003ecombination boiler\u003c\/strong\u003e that provides both \u003cstrong data-start=\"891\" data-end=\"908\"\u003espace heating\u003c\/strong\u003e (hydronic baseboards\/radiant systems) and \u003cstrong data-start=\"951\" data-end=\"973\"\u003edomestic hot water\u003c\/strong\u003e from one unit without a separate water heater.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1023\" data-end=\"1155\"\u003e\n\u003cp data-start=\"1025\" data-end=\"1155\"\u003e\u003cstrong data-start=\"1025\" data-end=\"1051\"\u003eWhat fuel does it use?\u003c\/strong\u003e\u003cbr data-start=\"1051\" data-end=\"1054\"\u003eNatural gas; qualified HVAC technicians can install an \u003cstrong data-start=\"1111\" data-end=\"1142\"\u003eLP (propane) conversion kit\u003c\/strong\u003e if needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1156\" data-end=\"1322\"\u003e\n\u003cp data-start=\"1158\" data-end=\"1322\"\u003e\u003cstrong data-start=\"1158\" data-end=\"1184\"\u003eWhere is it best used?\u003c\/strong\u003e\u003cbr data-start=\"1184\" data-end=\"1187\"\u003eIdeal for \u003cstrong data-start=\"1199\" data-end=\"1255\"\u003esingle‑family homes or smaller multi‑unit residences\u003c\/strong\u003e where compact efficiency and integrated hot water are desirable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1323\" data-end=\"1508\"\u003e\n\u003cp data-start=\"1325\" data-end=\"1508\"\u003e\u003cstrong data-start=\"1325\" data-end=\"1361\"\u003eDoes it require special venting?\u003c\/strong\u003e\u003cbr data-start=\"1361\" data-end=\"1364\"\u003eYes — like other condensing units, it uses \u003cstrong data-start=\"1409\" data-end=\"1462\"\u003elow‑temperature PVC\/CPVC or polypropylene venting\u003c\/strong\u003e to handle cool exhaust and condensate safely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"1510\" data-end=\"1534\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul data-start=\"1535\" data-end=\"2315\"\u003e\n\u003cli data-start=\"1535\" data-end=\"1701\"\u003e\n\u003cp data-start=\"1537\" data-end=\"1701\"\u003e\u003cstrong data-start=\"1537\" data-end=\"1569\"\u003eAnnual professional tune‑up:\u003c\/strong\u003e Have a licensed HVAC technician inspect the burner, heat exchanger, controls, and combustion to ensure safe, efficient operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1702\" data-end=\"1830\"\u003e\n\u003cp data-start=\"1704\" data-end=\"1830\"\u003e\u003cstrong data-start=\"1704\" data-end=\"1731\"\u003eCheck condensate drain:\u003c\/strong\u003e Ensure condensate lines and traps are \u003cstrong data-start=\"1770\" data-end=\"1800\"\u003eclear and properly pitched\u003c\/strong\u003e to avoid clogs or freezing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1831\" data-end=\"1958\"\u003e\n\u003cp data-start=\"1833\" data-end=\"1958\"\u003e\u003cstrong data-start=\"1833\" data-end=\"1874\"\u003eMonitor system pressure \u0026amp; water temp:\u003c\/strong\u003e Keep boiler pressure within recommended range; verify expansion tank performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1959\" data-end=\"2075\"\u003e\n\u003cp data-start=\"1961\" data-end=\"2075\"\u003e\u003cstrong data-start=\"1961\" data-end=\"1994\"\u003eClean intake \u0026amp; exhaust paths:\u003c\/strong\u003e Keep air intake and vent terminations free of debris to maintain safe airflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2076\" data-end=\"2190\"\u003e\n\u003cp data-start=\"2078\" data-end=\"2190\"\u003e\u003cstrong data-start=\"2078\" data-end=\"2100\"\u003eInspect for leaks:\u003c\/strong\u003e Periodically examine valves, fittings, and connections for signs of water or gas leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2191\" data-end=\"2315\"\u003e\n\u003cp data-start=\"2193\" data-end=\"2315\"\u003e\u003cstrong data-start=\"2193\" data-end=\"2220\"\u003eMaintain water quality:\u003c\/strong\u003e Use proper inhibitors and schedule periodic system flushing to reduce scale and extend life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weil-McLain","offers":[{"title":"Default Title","offer_id":54162688999708,"sku":"W383100030","price":3130.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/0622\/4924\/files\/Weil-McLain-AB-80C-AquaBalance-Series-2-80000-BTU-Condensing-Gas-Combi-Boiler-Main-Image_18.jpg?v=1780152202","url":"https:\/\/www.mybackyardzone.com\/products\/weil-mclain-ab-80c-aquabalance-series-2-80000-btu-condensing-gas-combi-boiler","provider":"Backup Power Made Simple","version":"1.0","type":"link"}