Bradford-White Corp THROUGH-THE-WALL GAS WATER HEATER User Manual

 

 

33

 

 
TO FILL THE WATER HEATER 
1.  Close the water heater drain valve by turning the stem clockwise. 
2.  Open the cold water supply shut-off valve. 
3.  Open several hot water faucets to allow air to escape from the system. 
4.  When a steady stream of water flows from the faucets, the water heater is 

filled.  Close the faucets and check for water leaks at the water heater drain 
valve, combination temperature and pressure relief valve and the hot and cold 
water connections. 

 
TO DRAIN THE WATER HEATER 
Should it become necessary to completely drain the water heater, make sure you 
follow the steps below: 
1.  Shut off the gas supply to the water heater. 
2.  Turn off/disconnect all electric power to the water heater. 
3.  Close the cold water supply shut-off valve. 
4.  Open the drain valve on the water heater by turning the stem counter-

clockwise.  The drain valve has threads on the end that will allow the 
connection of a standard hose coupling. 

5.  Open a hot water faucet to allow air to enter the system. 
 
To refill the water heater, refer to “To Fill the Water Heater.” 
 

Water heaters are heat producing appliances.  To avoid damage or injury 
there must be no materials stored against the water heater or vent-air intake 
system, and proper care must be taken to avoid unnecessary contact 
(especially by children) with the water heater and vent-air intake system.  
UNDER NO CIRCUMSTANCES MUST FLAMMABLE MATERIALS,  SUCH 
AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE 
VICINITY OF THIS WATER HEATER, VENT-AIR INTAKE SYSTEM OR IN 
ANY LOCATION FROM WHICH FUMES COULD REACH THE WATER 
HEATER OR VENT-AIR INTAKE SYSTEM.