Sunbank 40 Gallon Solar Water Heater – SRCC Certified


40 Gallon Solar Water Heater

In stock (can be backordered)


*Pictured here in painted steel. Tank is now stainless steel and bracket is aluminum/stainless steel. The Sunbank 40 gallon solar water heater is a complete passive solar water heating system that is easy to install, efficient, and affordable. It includes the tank, evacuated tube collectors, and bracket. The SB-40G is SRCC certified which makes it eligible for the 26% federal tax credit as well as local incentives for solar water heaters. It is the only solar water heater of its type that has the SRCC certification. The SB-40G has a durable stainless steel inner tank and outer tank and a corrosion resistant aluminum and painted steel 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 built in 110 volt heating element and controller accessory. The SB-40G 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 84 × 41 × 26 in


The System

  • No pumps or moving parts
  • 40 gallon storage capacity
  • SRCC OG-300 certified

The Tank

  • 304 Stainless Steel Argon Arc Welded Tank
  • 55mm High Density Polyurethane Insulation
  • 110V backup heating element (UL Listed)

The Collector

  • 92% efficient
  • 15 high strength borosilicate collectors
  • Vacuum tube allows sunlight to enter but no heat to escape
  • SRCC OG-100 certified


Click here to learn about different methods of installation.
pdf icon imageSunbank SB-40G Quick Start Guide

Certifications and Qualifications

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Technical Specifications

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