Upon arrival and approval will be began the The previously quoted work of fixing the toilet and replacing the pressure regulator. After replacing the pressure regulator, we check to make sure that the thermal expansion tanks were working properly. They were not. We move forward with replacing the thermal expansion tanks. There were 22 gallon expansion tanks And installed one 4 gallon expansion tank. Tested everything for leaks and proper function no further issues at this time Note: We are leaving an estimate for replacement of the water heaters due to age. They are 10 years old. We are also leaving two estimates for replacing the recirculating pump at the time of the water heater replacement.