cUPC Certified|NSF/ANSI/CAN 61

• High-grade stainless steel connector Deep drawn steel dome Corrosion-proof liner with Anti-Microbial Protection™ Grooved diaphragm hoop ring for a permanent seal Butyl diaphragm for extra long life 50 psig recharge, the industry's highest Insight® indicator cap Patented diffuser agitates incoming water to keep it tasting fresh and clean Water jet scrubbing action prevents sediment from collecting inside the tank Safe, silver ion technology targets active microorganisms, neutralizes bacteria on contact Proprietary compound is molded into the water reservoir lining lasts for the life of the tank Patented sight glass changes color if tank needs replacing Alerts homeowner or plumber to a problem before damage can occur

AMTROL® invented the thermal expansion tank to absorb expanded water in closed, hot water systems and protect the water heater. Since the beginning, we've kept the pressure on our competitors with features they just can't match, like our patented Turbulator™, patent pending anti-microbial liner, patented InSight™ service indicator cap and 50 psig recharge. When your water heater is on the line, we deliver.