View visual findings from this job here - https://visionshare.xoi.io/?id=XA-90AE-835860ECCDF34D48BB0A6A038C28B6BB Perform maintenance on Buderus gas water boiler with two Hydro air handlers and one Mitsubishi heat pump system for the third floor: GAS WATER BOILER : * shut power to system * removed and disassembled burner door on boiler - review pressure switch’s, motor and igniter- okay * close And secure burner door back in place * Vacuum and dusted boiler cabinet, Piping and all components, clean and clear * Secured and inspected electrical connections in Taco panel And switching relays * Tested and inspected expansion tank, Water feed and backflow preventer, Air vent and relief valves- okay * Confirm, boiler pressure and temperature are normal * inspected and cleaned all circulator pumps and inspected all piping for leaks or corrosion * Found the garage system to be closed off on both the supply and return side of the boiler * Return power to the boiler * Test domestic hot water z