Performed flush/descale on navien tankless unit upstairs. Replace shower cartridge in son’s bathroom upstairs and tub spout in daughter’s bathroom upstairs. Replaced cpvc and sharkbite section of piping for tankless with copper fittings. Installed new halo Ion water condition on cold inlet side of tankless. This helps prevent scale build up. Replaced PRV and set pressure to 68 psi Return visit will be needed to replace tub faucet with customer supplied faucet Tested work and everything is working as it should at this time. Thank you for choosing TE Certified