{"product_id":"weil-mclain-ultra-series-4-230000-btu-condensing-gas-boiler","title":"Weil-McLain Ultra Series 4 230,000 BTU Condensing Gas Boiler","description":"\u003ch2\u003eWeil-McLain Ultra Series 4 230,000 BTU Condensing 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\u003eCast aluminum coated heat exchanger\u003c\/li\u003e\n\u003cli\u003eDesigned to operate in low temperature condensing applications\u003c\/li\u003e\n\u003cli\u003eOutdoor reset and domestic hot water priority\u003c\/li\u003e\n\u003cli\u003eModulates with 5:1 turn-down ratio\u003c\/li\u003e\n\u003cli\u003eHigh grade stainless steel burner features quiet operation\u003c\/li\u003e\n\u003cli\u003eU-Control gives the power for easy set-up and maintenance\u003c\/li\u003e\n\u003cli\u003eMultiple set-up and zone options\u003c\/li\u003e\n\u003cli\u003eSystem sensing recognizes system and outdoor temperatures\u003c\/li\u003e\n\u003cli\u003eTemperature management for up to three different set-points\u003c\/li\u003e\n\u003cli\u003eControl multiple boilers from a single control panel\u003c\/li\u003e\n\u003cli\u003eStandard screen messages provide service alerts and maintenance reminders\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=\"787\"\u003e\n\u003cli data-start=\"31\" data-end=\"289\"\u003e\n\u003cp data-start=\"33\" data-end=\"289\"\u003e\u003cstrong data-start=\"33\" data-end=\"69\"\u003eHigh-efficiency condensing heat:\u003c\/strong\u003e The \u003cstrong data-start=\"74\" data-end=\"138\"\u003eWeil-McLain Ultra Series 4 230,000 BTU Condensing Gas Boiler\u003c\/strong\u003e delivers \u003cstrong data-start=\"148\" data-end=\"176\"\u003etop-tier fuel efficiency\u003c\/strong\u003e (up to around 95% AFUE) by capturing extra heat from exhaust gases — lowering fuel costs and carbon footprint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"290\" data-end=\"467\"\u003e\n\u003cp data-start=\"292\" data-end=\"467\"\u003e\u003cstrong data-start=\"292\" data-end=\"320\"\u003eRobust heating capacity:\u003c\/strong\u003e With \u003cstrong data-start=\"326\" data-end=\"350\"\u003e230,000 BTU\/h output\u003c\/strong\u003e, it’s ideal for \u003cstrong data-start=\"367\" data-end=\"423\"\u003elarge homes, multifamily units, or commercial spaces\u003c\/strong\u003e that need strong, reliable hydronic heat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"468\" data-end=\"609\"\u003e\n\u003cp data-start=\"470\" data-end=\"609\"\u003e\u003cstrong data-start=\"470\" data-end=\"498\"\u003eSmooth, quiet operation:\u003c\/strong\u003e Advanced burner and heat transfer design help reduce operational noise and provide even temperature control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"610\" data-end=\"787\"\u003e\n\u003cp data-start=\"612\" data-end=\"787\"\u003e\u003cstrong data-start=\"612\" data-end=\"654\"\u003eDurable construction \u0026amp; serviceability:\u003c\/strong\u003e Built with a corrosion-resistant heat exchanger and accessible service points, making maintenance easier and extending service life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"789\" data-end=\"808\"\u003eProduct Q\u0026amp;A\u003c\/h5\u003e\n\u003cul data-start=\"809\" data-end=\"1580\"\u003e\n\u003cli data-start=\"809\" data-end=\"979\"\u003e\n\u003cp data-start=\"811\" data-end=\"979\"\u003e\u003cstrong data-start=\"811\" data-end=\"843\"\u003eWhat type of boiler is this?\u003c\/strong\u003e\u003cbr data-start=\"843\" data-end=\"846\"\u003eA \u003cstrong data-start=\"850\" data-end=\"891\"\u003ehigh-efficiency condensing gas boiler\u003c\/strong\u003e that uses a secondary heat exchanger to squeeze extra energy from combustion exhaust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"980\" data-end=\"1127\"\u003e\n\u003cp data-start=\"982\" data-end=\"1127\"\u003e\u003cstrong data-start=\"982\" data-end=\"1008\"\u003eWhere is it best used?\u003c\/strong\u003e\u003cbr data-start=\"1008\" data-end=\"1011\"\u003eBest for \u003cstrong data-start=\"1022\" data-end=\"1124\"\u003elarge residential properties, multifamily buildings, schools, and light commercial heating systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1128\" data-end=\"1279\"\u003e\n\u003cp data-start=\"1130\" data-end=\"1279\"\u003e\u003cstrong data-start=\"1130\" data-end=\"1176\"\u003eWhat distribution systems does it support?\u003c\/strong\u003e\u003cbr data-start=\"1176\" data-end=\"1179\"\u003eWorks with \u003cstrong data-start=\"1192\" data-end=\"1276\"\u003ehydronic baseboards, radiant floor systems, fan coils, and other hot-water loops\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1280\" data-end=\"1397\"\u003e\n\u003cp data-start=\"1282\" data-end=\"1397\"\u003e\u003cstrong data-start=\"1282\" data-end=\"1308\"\u003eWhat fuel does it use?\u003c\/strong\u003e\u003cbr data-start=\"1308\" data-end=\"1311\"\u003eNatural gas (qualified HVAC techs can install a propane conversion kit if needed).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1398\" data-end=\"1580\"\u003e\n\u003cp data-start=\"1400\" data-end=\"1580\"\u003e\u003cstrong data-start=\"1400\" data-end=\"1436\"\u003eDoes it require special venting?\u003c\/strong\u003e\u003cbr data-start=\"1436\" data-end=\"1439\"\u003eYes — condensing boilers typically use \u003cstrong data-start=\"1480\" data-end=\"1519\"\u003ePVC, CPVC, or polypropylene venting\u003c\/strong\u003e due to cooler flue gas temperatures and condensate handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-start=\"1582\" data-end=\"1606\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul data-start=\"1607\" data-end=\"2432\"\u003e\n\u003cli data-start=\"1607\" data-end=\"1803\"\u003e\n\u003cp data-start=\"1609\" data-end=\"1803\"\u003e\u003cstrong data-start=\"1609\" data-end=\"1641\"\u003eAnnual professional service:\u003c\/strong\u003e Have a licensed HVAC technician inspect and tune the boiler each year before heating season — focusing on the burner, heat exchanger, controls, and combustion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1804\" data-end=\"1924\"\u003e\n\u003cp data-start=\"1806\" data-end=\"1924\"\u003e\u003cstrong data-start=\"1806\" data-end=\"1833\"\u003eCheck condensate drain:\u003c\/strong\u003e Ensure condensate lines remain clear and draining properly to prevent clogs or freezing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1925\" data-end=\"2035\"\u003e\n\u003cp data-start=\"1927\" data-end=\"2035\"\u003e\u003cstrong data-start=\"1927\" data-end=\"1955\"\u003eMonitor system pressure:\u003c\/strong\u003e Maintain proper boiler pressure and check expansion tank condition as needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2036\" data-end=\"2170\"\u003e\n\u003cp data-start=\"2038\" data-end=\"2170\"\u003e\u003cstrong data-start=\"2038\" data-end=\"2080\"\u003eClean intake and exhaust terminations:\u003c\/strong\u003e Keep air inlets and vent terminations free of debris to ensure safe combustion airflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2171\" data-end=\"2285\"\u003e\n\u003cp data-start=\"2173\" data-end=\"2285\"\u003e\u003cstrong data-start=\"2173\" data-end=\"2195\"\u003eInspect for leaks:\u003c\/strong\u003e Check around valves, fittings, and piping periodically for signs of water or gas leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2286\" data-end=\"2432\"\u003e\n\u003cp data-start=\"2288\" data-end=\"2432\"\u003e\u003cstrong data-start=\"2288\" data-end=\"2315\"\u003eMaintain water quality:\u003c\/strong\u003e Use proper corrosion inhibitors and periodic system flushing to protect internal components and improve longevity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weil-McLain","offers":[{"title":"Default Title","offer_id":54162689622300,"sku":"W383500736","price":6317.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/0622\/4924\/files\/Weil-McLain-Ultra-Series-4-230000-BTU-Condensing-Gas-Boiler-Main-Image_14.jpg?v=1780152226","url":"https:\/\/www.mybackyardzone.com\/products\/weil-mclain-ultra-series-4-230000-btu-condensing-gas-boiler","provider":"Backup Power Made Simple","version":"1.0","type":"link"}