Replaced pressure regulator due to age and low pressure. Replaced expansion tank and properly supported and inflated due to code. Replace vent pipe due to issues with original installation. Installed customer furnished sink and faucet with new disposal. Rerouted kitchen drain line to address improper height of previous drain coming from wall. Installed air admittance valve to increase venting airflow through drain system. Replaced original whole home shutoff and Hosebib shutoff due to poor appearance of those items.