Village Plumbing & Heating was in Tarzana, we have a customer that needed some work on his Takagi Tankless Water Heater. Village Plumbing and Heating are certified to work on Takagi Tankless Water Heaters. TM1 #13011397- Found PC Board on unit not working. Removed and replaced with new one.Also serviced init and set all controls back to factory settings. Also pulled the burner off and descaled the heat exchanger. Tested working fine. In Pacific Palisades their are two customers that have Tankless Water Heaters that need serviced. First customer has had there unit serviced and a new heat exchanger installed all warranty by Takagi. We work with the reps. and we follow there direction, so the customer will get the benifit of a long lasting system. At the secong customers house, we had Takagi send us a new Heat Exchanger, so we installed tested working fine.