How To Drain A Hot Water Tank With No Drain

In this episode of repair and replace vance shows how to do a deep flush of a water heater.

How to drain a hot water tank with no drain. Older tank models may have a cover over the tank drain valve. How do i remove sediment from my hot water tank. Time to drain the hot water heater tank. This will stir up any remaining sediment.

To let air into the system and allow the water to run freely from the tank drain open the closest hot water tap preferably on the floor above. Then open the pressure relief valve on the tank and connect a long garden hose to the drain valve. If there is no gate valve on the supply pipe. Turn off the immersion heater and the boiler.

Again the water will be hot so use caution. Isolate the cylinder from its supply. The cold water storage cistern must be emptied or a bung must be fitted. Once all water has drained from the tank briefly turn on the cold water supply to the tank.

Now that the hose is secure with the open end placed in a good spot where it will drain safely you can open the valve and allow the water to drain out. How to drain the hot water cylinder. Open the drain valve and allow the water to drain from the tank. In order to do this close the gate valve on the cold feed pipe by turning it clockwise.