Purified Tannin Water Treatment: Maintaining your high efficiency while directly protecting your aluminum boilers.
Multi-Metal Protection for:
Maintaining or restoring your high heat efficiency
Cleaning the Loop
Slowly cleaning scale and corrosion by-products
Simple, time-saving colorimetric or color comparison tests available
Safer to handle
Can be sent to drain
Purified Tannin has been protecting heating loops since 1989 in Europe and 2005 in North America.
Beware of imitations. Tannins are complex molecules and only one program has been tested and endorsed by Patterson-Kelley.
Harsco Industrial Patterson-Kelley is a recognized market leader and major producer of heat transfer equipment.
Their hot water boilers and water heaters are installed in institutional, commercial, and industrial building applications such as: schools, offices, apartment buildings, dormitories, hospitals, and hotels.
TGWT, also known as The Tannin Guys®, is a leader in green chemistry, water treatment for steam boilers and closed, hot loops.
Green chemistry to improve performance without capital investment.