This lead free tankless water heater connection kit is designed to simplify the installation, maintenance and operation of gas tankless water heaters. This kit includes hot and cold water valve set with single union connections to water heater, 3/4 FPT connections to water supply line, and 3/4 inch FPT relief valve port in the hot water supply valve. It also includes two 24 inch stainless steel braided water connectors and an 18 inch ULTRAflow (TM) high BTU gas connector that has a permanent antimicrobial coating that protects against abuse and environmental factors. The gas connector complies with CSA ANSI Z21.24/CSA 6.10 and ANSI Z21.75/CSA 6.27 approvals.