Completed navien tankless water heater installation. Removed old boiler and storage tank. Ran all new venting out side of house. Adapted to existing water lines and heating lines. Ran new track pipe to gas assembly on combi boiler. Adapted to existing electrical. Added new switch receptacle box for condensate pump and boiler. Added new psht30 expansion tank, auto fill, backflow preventer, spirovent air eliminator, and pressure relief valves for boiler side and domestic side of piping. Added new condensate pump with vinyl tubing. All new isolation valves. All penetrations for venting are sealed. All water lines and heating loops are bled. Cycled and tested, system working properly at this time. FINANCING