Performed replacement of tankless water heater Installed new gas supply with sediment tee Installed new service valves for cleaning Installed new Navien tankless waterheater Converted from Nat gas to propane Installed new combination exhaust and intake air vent through roof Omitted and capped existing sidewall intake Tested all new plumbing no leaks Gas test no leaks No warranty on any existing plumbing Water is heating properly Set water temp is 120 degrees