---
title: "ITS – Indirect solar system"
date: 2016-06-28
author: "Kate"
featured_image: "https://aosmithinternational.com/wp-content/uploads/2016/06/ITS-collector-1.png"
---

# ITS – Indirect solar system

The ITS indirect solar system consist of an indirect tank which is connected to a boiler (electric, gas or oil) or water heater. The optimum installation can be constructed by using different accessories. The ITS (as well as the ITE) can be part of a solar water heating system. It can be installed with or without a drain back system.