Remove the old thermostats, install the new thermostats, test for further issues Technician Taylor arrived on scene to perform install per Jeremy's proposal. Client had received her new upper and lower thermostats in the mail and technician will install. Technician shut off power to unit at timer box. Technician uninstalled existing thermostats at upper and lower element. Technician installed new replacement thermostats. Technician turned on unit at Timer box but also needed to trigger the breaker in order to reset the unit. Unit fired up afterwards and began producing hot water. Technician collected remainder of balance and pulled off.