Mike, replacing a gas hot water heater is pretty easy. I've seen your Z work, so a water heater is no big deal. The hardest part is moving the darn thing around. There should be a valve where the line to the heater connects to the gas pipe. I replaced mine a number of years ago and added valves on both sides (hot-out, cold-in) and used couplers so that when it comes time to replace it again all I have to do is close the valves, drain the tank, close and disconntect the gas, open the couplers and pull it out. You can give me call if you want better instructions. One suggestion, get to it quickly, once the start to leak it goes downhill to flood city pretty quick. Oh yea, tell Donna hello
- Joe