How to Set Up a Storage Tank for Solar Thermal Space Heating
If you're installing a solar thermal space heating system and including a storage tank, you need to bear several important factors in mind, beyond the basics of materials and the practicalities of installation.
The best storage tanks are those with no joints or seams to provide weak points for leaks. Of course, since the water has to get in and out somehow, a totally seamless tank is impossible. In practical terms, your tank will need: