Advanced Tech Industries warrants the S220, I220, R220 and P220 to be free of manufacturing defects in materials and workmanship. The heat exchanger has a lifetime warranty.
Heat exchanger is the compartment that house the water as it flows through the unit.
At our option, repair or replace your unit. Complete and return registration card within 10 days of purchase. Properly pack your unit. Description of defect. If under warranty, a copy of the sales receipt or other evidence of date of purchase.