{"product_id":"purepro-ao-3e-oil-fired-water-boiler","title":"PurePro AO-3E Advantage Three-Section ECM Oil-Fired Water Boiler","description":"\u003cp\u003eThe AO‑3E is a compact, high‑efficiency three‑section cast‑iron oil-fired water boiler designed for reliable hydronic heating in residential applications. Equipped with an ECM circulator and a factory‑installed burner, it delivers strong performance with reduced electrical consumption and smooth, quiet operation. This oil-fired water boiler is built for chimney venting and comes less tankless coil, making it ideal for homes using an indirect water heater or dedicated hot‑water system.\u003c\/p\u003e\n\n\u003cp\u003eKey Features\u003cbr\u003eThree‑section cast‑iron heat exchanger engineered for even heat transfer, long service life, and stable operating temperatures.\u003c\/p\u003e\n\n\u003cp\u003eECM circulator that lowers electrical usage while improving system efficiency and comfort.\u003c\/p\u003e\n\n\u003cp\u003eFactory‑installed oil burner (Beckett, Carlin, or Riello depending on configuration) tuned for clean, consistent combustion.\u003c\/p\u003e\n\n\u003cp\u003eChimney‑vented design for straightforward replacement of older atmospheric oil boilers.\u003c\/p\u003e\n\n\u003cp\u003eLess tankless coil configuration, ideal for pairing with an indirect water heater for higher domestic hot‑water output and efficiency.\u003c\/p\u003e\n\n\u003cp\u003eQuiet, low‑vibration operation supported by the Advantage series’ combustion and airflow design.\u003c\/p\u003e\n\n\u003cp\u003eService‑friendly layout with accessible components and clean wiring for easier annual maintenance.\u003c\/p\u003e\n\n\u003cp\u003eWe service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to):\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eNassau County:\u0026amp;nbsp;Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eSuffolk County:\u0026amp;nbsp;Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eContact us today at (631) 779-3196\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e","brand":"Installed HVAC Pros","offers":[{"title":"Default Title","offer_id":48665117982971,"sku":"PROAO-3E","price":7669.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9406\/6171\/files\/871387.jpg?v=1776258044","url":"https:\/\/installedhvacpros.com\/products\/purepro-ao-3e-oil-fired-water-boiler","provider":"Installed HVAC Pros","version":"1.0","type":"link"}