Sunbank 40 Gallon Solar Water Heater


40 Gallon Solar Water Heater


The Sunbank 40 gallon solar water heater is a passive solar water heating system that is easy to install, efficient, and affordable. The SB40G has a durable stainless steel inner tank and a corrosion resistant painted steel outer tank and bracket. The system is heated by 15 evacuated tube heat pipe collectors and can be installed as a pre-heater to your existing system or a stand alone heater with the heating element and controller accessories. The SB40G has a standard 10 year warranty on the collectors and 1 year warranty on all other components of the system.

Additional information

Weight 286 lbs
Dimensions 80 x 45 x 26 in


The System

  • No pumps or moving parts
  • 40 gallon storage capacity

The Tank

  • 304 Stainless Steel Argon Arc Welded Tank
  • 55mm High Density Polyurethane Insulation
  • 110V backup heating element (Not for use in California)

The Collector

  • 92% efficient
  • 15 high strength borosilicate collectors
  • Vacuum tube allows sunlight to enter but no heat to escape


Click here to learn about different methods of installation.
pdf icon imageInstallation and Care Manual pages 1-9 (email us for full manual)

pdf icon imageController Manual

Certifications and Qualifications pdf icon imagepdf icon image

Technical Specifications

pdf icon imageSunbank 40G Spec Sheet

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