When you purchase a Waterloo Biofilter Systems Inc. wastewater treatment system there is a limited manufacturer’s warranty that will cover manufacturer defects in components such as pumps, floats, and the Biofilter medium; please refer to your owner’s manual for details. Travel and labour fees to repair any warrantied parts is not covered under warranty and owners will be billed at the service callout rates. Waterloo Biofilter Systems Inc. offers an extended pump warranty for a total of five years of coverage which is available for purchase at the time the pump is purchased.