Gas Water Heater Troubleshooting. Reviews | Submit a Review. Before you do any gas water heater troubleshooting and DIY repairs, one is important leaking .Everything you need to know about water heater leaking and how to solve it. Also, learn about water heater maintenance, types of water heaters and more..Discover how to troubleshoot common problems with a gas water heater and how to make the necessary repairs..If your water heater is leaking and a water heater expert willist you in turning off the gas and the water to help minimize any possible water .
Is Your Water Heater Leaking From the Heater Drain Valve? A leak from the heater drain valve may be caused by debris inside the valve or a faulty valve similar to the T P valve . To replace the drain valve, drain the tank completely and follow the same steps outlined above for replacing the T P valve..