To determine if your gas water heating device is getting weary, there are a few signs and checks to consider. First, inspect the device for any gas leaks. Apply a mixture of soapy water to the connections, valves, and pipes and look for bubbles forming, which indicate a leak. Gas leaks are potentially dangerous and should be addressed immediately by a professional technician. Next, check the pilot light. Ensure it is consistently burning with a strong flame. If it frequently goes out or has a weak flame, it may indicate a faulty thermocouple or a worn-out pilot assembly, requiring professional attention. Assess the water temperature and flow. Inconsistent or insufficient hot water could point to issues with the gas burner or heat exchanger. If you experience reduced hot water flow or extended recovery times, it may also indicate that the device is wearing out.