Upon arrival, customer showed me Titan water heater that was no longer working. Customer option to install new 30 gallon water heater. Explain to customer she would need to have an electrician change breaker to a 20 amp double pole breaker and most likely pull new 10 gauge wire to accommodate new 35 W 30 gallon Rheem water heater Customer is going to talk to the office of the building and verify if she has to go back with a tank or if she can install a new tankless