Smart 40 Indirect Water Heater, 36.0 Gal

Smart 40 Indirect Water Heater, 36.0 Gal
Smart 40 Indirect Water Heater, 36.0 Gal QR Code
Views: 7375 Model: SMART40



Weight:135.00 lb

Dimensions (L x W x H ): 23.00 x 50.00 x 23.00

Usually ships: 1 business day(s)

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The SMART40 from Triangle Tube is a Smart 40 Indirect Water Heater, 36 gal. feature an exclusive tank-in-tank heat exchanger design, with 1.5 - 2 times the heat transfer surface - allowing for high energy-efficiency and hot water recovery times of up to x3 times faster than traditional gas or electric tank water heaters. 2" polyurethane tank insulation ensures minimal heat loss @ only 1°F / hr.


  • ACV exclusive tank-in-tank design;
  • Self-cleaning, maintenance-free heat exchanger with surface area 1.5 - 2 times larger than traditional coil;
  • Provides abundant hot water with a recovery rate of up to 3 times higher than conventional gas or electric water heater;
  • Stand-by heat loss is less than 1°F per hour;
  • Average life span exceeds 20 years.

Technical Specifications:

  • Domestic Water Capacity (Gallons): 36.0;
  • Heat Exchanger Type: Tank-in-Tank;
  • Heating Water Capacity (Gallons): 6.0;
  • Domestic Water Connections: 3/4" NPT;
  • Boiler Connections: 1" NPT;
  • Min. Boiler Output (BTU/hr): 112,000;
  • Continuous Domestic Hot Water Flow @ 90°F Rise (Gallons/hr): 150.0;
  • 1st Hour Rating @ 90°F Rise (Gallons/hr): 180.0;
  • Max Boiler Side Pressure (psi): 45;
  • Max Domestic Water Pressure (psi): 150;
  • Insulation Thickness: 2";
  • Dimensions (Diameter x Height): 22" x 46";
  • Empty Weight (lbs): 135.


  • Limited lifetime warranty 


Product Specs
1st Hour Rating @ 90°F Rise (Gallons/hr):180.0
Boiler Connections:1" NPT
Continuous Domestic Hot Water Flow @ 90°F Rise (Gallons/150.0
Dimensions (Diameter x Height):22" x 46"
Domestic Water Capacity (Gallons):36.0
Domestic Water Connections:3/4" NPT
Empty Weight (lbs):135.
Heat Exchanger Type:Tank-in-Tank
Heating Water Capacity (Gallons):6.0
Insulation thickness:2"
Max Boiler Side Pressure (psi):45
Max Domestic Water Pressure (psi):150
Min. Boiler Output (BTU/hr):112,000
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