Customer Stated: They were unable to get any hot water through out the home. Tech Notes: Upon inspection I found that this is a AO smith commercial grade 74 gallon natural gas water heater located in the garage of home, and is only 4 years of age. I found that the tank is able to spark, and pilot instantly, but as soon as you let go of the pilot the flame will go out. I let home owner know we would need to replace the gas control valve, and thermal pile to help fix/prevent future plumbing issues. I also let her know we would need to order parts, and return or she can reach out to AO smith warranty directly, and have parts shipped directly to her home. This unit is still under manufacturer warranty until 2025. Resolution: We would need to replace the existing Honeywell gas control valve, and thermal pile for the AO smith 74 gallon water heater located in the garage of home with new valve/thermal pile to help fix/prevent future plumbing issues. Job Notes:**The home owner has alread