Here to replace main house water filtration filters. Shut main valves, open up bypass. Decompress water pressure @ filter tank. Remove tanks to replace filters x2 Install new filters provided by customer. Reconnect tanks. Shut bypass and reopen main water valve. Water filtration is back up for normal operation. Notice calcium build up @ mixing valve for indirect storage tank. Calcium build up could lead to the possibility of a leak. Explained to customer that the mixing valve may require to be replaced in the near future to prevent any water leakage. Customer will monitor valve @ this time, further action maybe required. View visual findings from this job here - https://visionshare.xoi.io/?id=XA-0013-773C3CAA2A9643C8AF633009184DBB2D