What is going on with the water heater? Pilot light is not staying lit, gas company came out and relit and took cover off, when they came back out to install cover they took out a part and now the pilot will not stay lit. Ace Pelizon Plumbing turned water heater on ace Pelizon Plumbing recommends replacing water heater to new 40 gallon if pilot light shuts off. Ace Pelizon Plumbing checked for proper functions water heater is working OK at the moment.