Bradford-White Corp 238-37281-00R - Manual (Page 17)

17
General Operation continued-
TO DRAIN THE WATER HEATER
Should it become necessary to completely drain the water heater, make sure you follow
the steps below:
1. Rotate the thermostat dial to the lowest position.
2. Rotate and partially depress gas control knob clockwise to the “OFF” position.
3. Shut off the gas supply to the water heater.
4. Close the cold water supply shut-off valve.
5. Open the drain valve on the water heater by turning the knob counter-clockwise
. The drain valve has threads on the end that will allow the connection of a
standard hose coupling.
6. Open a hot water faucet to allow air to enter the system.
To refill the water heater, refer to “To Fill the Water Heater.”
Lighting and Shutdown Instructions