Village Plumbing was in Beverly Hills, working on a Takagi TM1. Unit was making noise checked and found filter dirty, and no pillets. also descaled. New stems needs to be ordered Babber Wilson London 1905 faucet stems. In West Hollywood Village Plumbing called out TM1- not working checked and found heat exchanger leaking. Removed and replaced heat exchanger. checked and found that second transformer and plug for transformer and PC board repaired. Installed new water treatment on heater.