Water Leaking From the Top. Same as with an electric water heater, you should first check the cold water inlet and water outlet pipes and connections to make sure they are not loose..Get all your water heater questions answered in the Quick Water Heater FAQ. No sign up, just answers! Find out why we have Star Yelp Reviews!.One of the worst things a homeowner can experience is having no water in the house. There are several things that can wear out or stop working on your water heater, resulting in what may seem like the water is not working..Discover how to troubleshoot common problems with a gas water heater and how to make the necessary repairs..