Technician notes: We tested the toilet and were able to hear the humming sound. We checked the water heater and found that the thermal expansion tank is not functional and needs to be replaced. The customer also requested to have a water heater flush and annual inspection. Resolution/Recommendations: Remove and replace thermal expansion tank. Perform whole home inspection and water heater flush Job notes: Job status: Complete This estimate is to remove and replace a failed thermal expansion tank.
