sponge. 1. a porous, absorbent mass, as a pad of gauze or cotton surrounded by gauze. 2. the elastic fibrous skeleton of certain species of marine animals. absorbable gelatin sponge a sterile, absorbable, water-insoluble, gelatin-base material, used as a local hemostatic. (spÅ­nj).
The water heater is the first place to start when there is no hot water in the shower. A shower should be counted on to be good and hot when you need it to be. But keep in mind that the hot water coming from a shower is coming from your hot water heater tank.etermine if the problem is whole-house related or just affecting the shower. Turn on every hot water faucet and check the temperature of the hot water. If they all start out hot but cool quickly, a burner in the water heater may be the cause. If they never get hot, a faulty dip tube may be the problem.
The hot water shut off valve is bad. Not a big problem. Shut off the water to the house where it comes in. There should be a shut off valve. If you have a shut off at the hot water heater do the same. Not a bad idea to turn off or put the hot water heater in vacation mode. 1)Turn on your hot water faucet and drain it off. 2)Get some towels and a bowl or bucket to catch the residual water. 3)Get a wrench and remove the shut off valve for the hot water side under the sink. 4)You will need to remove the fitting that is the connection tube that provides hot water up to the faucet. Just disconnect it from the shut off valve.