How do I drain the water from the electric heater?
Furthermore, the hot water outlet is generally lower than the safety valve, safety valve under the action of gravity to the water, the hot water outlet to breath the water tube hot water in the hot water pipe blowing off without gravity water safety valve on the water.
In fact, with the safety valve drainage speed is very slow, it is best to unscrew the safety valve
Turn off the intake valve, open the water check valve (ie safety valve), open the hot water outlet valve, let the air into, then the water intake can be drained,...
