If your water heater is acting up and delivering nothing but cold water, it's time to get hands-on with a few simple fixes. This guide reveals the common culprits behind a malfunctioning water heater that only produces cold water and how to address them effectively. We'll walk you through checking the power supply, inspecting the thermostat, and examining the heating element. With a bit of diagnostic know-how and some basic tools, you can restore your hot water and get back to comfort in no time.