Skip to Product Info
    • Triangle Tube SMART 40 Indirect Water Heater 36 Gallon

    Triangle Tube SMART 40 Indirect Water Heater 36 Gallon

    Installed Price:Regular Price $2,682.98
    Financing Options - Pay over time

    Get a decision in seconds with no impact on your credit score. See if you pre-qualify. Apply Now

    Installation Pricing

    Every product you purchase from us includes the full cost of professional installation. Once your order is placed, our team will reach out to schedule the installation at a time that works best for you.

    We handle everything from removing the old equipment to installing and testing your new system, ensuring it’s set up safely and performing at its best.

    Your checkout covers the equipment and the labor—no surprise charges, no hidden fees. Installation is simply booked separately so we can coordinate the right technician and confirm any details about your home.

    Learn more

    Payment & Security

    Your payment is secure. We don’t store or see your card details.

      Pairs well with

      The Triangle Tube SMART 40 is a high‑efficiency 36‑gallon indirect water heater built with a 316L stainless‑steel tank and heat‑exchange coil for exceptional durability, fast recovery, and long service life. Its unique tank‑in‑tank design maximizes heat transfer surface area, allowing the boiler to deliver rapid domestic hot‑water production with minimal standby loss. Engineered for residential hydronic systems, the SMART 40 provides reliable, corrosion‑resistant performance without the need for anode rods.

      Key Features
      36‑gallon 316L stainless‑steel tank for superior corrosion resistance

      High‑output heat‑exchange coil rated at 112,000 BTU for fast recovery

      Tank‑in‑tank design increases heat transfer efficiency and hot‑water output

      Indirect‑fired operation uses boiler energy for lower operating cost

      No anode rod required due to all‑stainless construction

      Low standby heat loss with thick polyurethane insulation

      NPT connections for straightforward residential installation

      Floor‑mounted design for stable placement and service accessibility

      Ideal Application
      Homes with hydronic boilers needing a durable, stainless‑steel indirect water heater that delivers fast recovery and consistent hot‑water performance.

      We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to):

      Nassau 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

      Suffolk 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

      Contact us today at (631) 779-3196

      Product Specifications
      Specification Name Specification Value
      Product Type
      BTU Rating 112000
      Burner Type
      Tank Capacity 36.0
      Diameter 22.0
      Height 48 in
      Tank Lining Stainless Steel
      Fitting Size
      Firing Rate
      Input Supply Rating
      Amperage 1.0
      Water Heater Type Indirect Storage Tank
      Documents
      Specification Sheet Download
      Service & Support

      Recently viewed

      Last seen items