{"product_id":"a-o-smith-40-gal-tall-38-mbh-low-nox-direct-vent-natural-gas-water-heater","title":"A.O. Smith 40 gal Tall Low NOx Direct Vent Natural Gas Water Heater","description":"\u003cp\u003eThe A.O. Smith 40‑Gallon Tall 38 MBH Low NOx Direct Vent Natural Gas Water Heater provides dependable hot water performance with a sealed‑combustion, direct‑vent design ideal for homes requiring safe, controlled exhaust routing.\u003c\/p\u003e \n\n\u003cp\u003eEngineered for reliability, this model uses a Low NOx burner that delivers cleaner combustion while maintaining a strong 38,000 BTU firing rate for consistent recovery and steady hot water output. Its direct‑vent system draws air from outside the home and safely vents combustion gases through a dedicated horizontal or vertical run, making it well‑suited for basements, utility rooms, and tight mechanical spaces. The durable glass‑lined steel tank offers long‑lasting corrosion resistance, while thick insulation reduces heat loss and supports overall efficiency. A standing‑pilot ignition system ensures proven, electricity‑free operation, allowing installation even in locations without a nearby power source.\u003c\/p\u003e \n\n\u003cp\u003eWith rugged construction, sealed combustion, and flexible venting options, this 40‑gallon A.O. Smith model delivers reliable, efficient, and long‑term natural‑gas water heating performance for residential applications.\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) this coverage area:\u003c\/p\u003e\n\n\u003cp\u003eNassau County: 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\u003eSuffolk County: 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\u003eContact us today at (631) 779-3196\u003c\/p\u003e","brand":"Installed HVAC Pros","offers":[{"title":"Default Title","offer_id":68539585954043,"sku":"100210112","price":3315.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9406\/6171\/files\/Square_product_images_-_2026-08-13T144403.670.png?v=1786646662","url":"https:\/\/installedhvacpros.com\/products\/a-o-smith-40-gal-tall-38-mbh-low-nox-direct-vent-natural-gas-water-heater","provider":"Installed HVAC Pros","version":"1.0","type":"link"}