{"product_id":"pennco-silver-1603hsid-75-000-btu-cast-iron-natural-gas-boiler","title":"Pennco Silver 1603HSID 75,000 BTU Cast Iron Natural Gas Boiler","description":"\u003ch2\u003eGive Your Radiators Reliable Steam With The Pennco Silver 1603HSID 75,000 BTU Cast‑Iron Natural Gas Steam Boiler\u003c\/h2\u003e\n\n\u003cp\u003e\nLooking for dependable \u003cstrong\u003eresidential steam heat\u003c\/strong\u003e in a compact footprint? The \u003cstrong\u003ePennco Silver 1603HSID\u003c\/strong\u003e is a\n\u003cstrong\u003egas‑fired, cast‑iron steam boiler\u003c\/strong\u003e built for long service life and straightforward maintenance. With up to \u003cstrong\u003e82.7% AFUE\u003c\/strong\u003e, an\n\u003cstrong\u003eintegral draft diverter\u003c\/strong\u003e for low overall height, and large \u003cstrong\u003e2‑1\/2\" steam supply tappings\u003c\/strong\u003e, it’s an easy upgrade for classic\none‑pipe or two‑pipe radiator systems.\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pennco\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 1603HSID (16 Series, Electronic Ignition)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Gas‑Fired, Cast‑Iron Residential Steam Boiler (Category I, Chimney Vent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Natural Gas (LP conversion kit available)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e 75,000 BTU\/h\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDOE Heating Capacity:\u003c\/strong\u003e 62,000 BTU\/h\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet IBR (Steam):\u003c\/strong\u003e 47,000 BTU\/h (≈ 196 sq. ft. EDR)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAFUE:\u003c\/strong\u003e Up to 82.7%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVenting:\u003c\/strong\u003e Built‑in draft diverter; 5\" flue to a lined masonry or listed metal chimney\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSteam Supply \/ Return Tappings:\u003c\/strong\u003e (2) 2‑1\/2\" NPT each\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety \u0026amp; Controls:\u003c\/strong\u003e Electronic low water cut‑off, pressure limit control (pressuretrol), 15 psi ASME pop safety valve, glass water level gauge, steam pressure gauge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Factory motorized vent damper; square‑head plugs for unused tappings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e 120V, 60 Hz (15A circuit typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNotes:\u003c\/strong\u003e Add ~5‑1\/2\" to height for vent damper; reduce ratings 4% per 1,000 ft above 2,000 ft elevation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eBuilt For Dry, Even Steam\u003c\/h4\u003e\n\u003cp\u003e\nA generous \u003cstrong\u003e6\" steam chest\u003c\/strong\u003e helps separate water from steam so radiators heat quietly and evenly. Combined with the\n\u003cstrong\u003e2‑1\/2\" supply tappings\u003c\/strong\u003e, it’s easier to pipe a proper header and equalizer for clean, dry steam distribution.\n\u003c\/p\u003e\n\n\u003ch4\u003eFuel‑Saving Ignition \u0026amp; Vent Damper\u003c\/h4\u003e\n\u003cp\u003e\nThe 1603HSID’s \u003cstrong\u003eintermittent electronic ignition\u003c\/strong\u003e fires only on a call for heat, and the factory \u003cstrong\u003emotorized vent damper\u003c\/strong\u003e\nhelps reduce standby losses up the chimney—an efficiency advantage over older standing‑pilot steam boilers.\n\u003c\/p\u003e\n\n\u003ch4\u003eLow‑Profile Draft Diverter\u003c\/h4\u003e\n\u003cp\u003e\nA \u003cstrong\u003ebuilt‑in draft diverter\u003c\/strong\u003e keeps the overall jacket height low—ideal for \u003cstrong\u003elow‑ceiling basements\u003c\/strong\u003e and replacement installs where\nclearances are tight.\n\u003c\/p\u003e\n\n\u003ch4\u003eRugged Cast‑Iron Reliability\u003c\/h4\u003e\n\u003cp\u003e\nHeavy‑duty \u003cstrong\u003ecast‑iron sections\u003c\/strong\u003e with push‑nipples, stainless burners, and proven controls are designed for long, dependable\nservice in residential steam systems.\n\u003c\/p\u003e","brand":"PENNCO BOILERS","offers":[{"title":"Default Title","offer_id":44013744324659,"sku":"PEN1603HSID","price":3483.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/pennco_2016_20series_5640c466-e274-426e-a3e6-119e6905b452.png?v=1769808534","url":"https:\/\/plumbing-deals.com\/products\/pennco-silver-1603hsid-75-000-btu-cast-iron-natural-gas-boiler","provider":"Plumbing Deals","version":"1.0","type":"link"}