Bad service and bad Geyser installation

My geyser has was faulty and the manufacturer voided the warranty 4 days it was installed in 2021. We didn’t have hot water for almost 2 weeks.. The manufacturer sent out someone to come and install the geyser on the 14th of September 2023. Everything went well but today on the 17th the water is called AGAIN. We have called the 24/7 landline but we have been waiting for almost 2 hours. I am so angry why a 24/7 line is taking so long. Now it’s such an inconvenience again and with load shedding my kids are suffering.

Job card : 7262