Honeywell 238-47969-00A Manual De Usuario

18 

 
TO FILL THE WATER HEATER 

1.  Close the water heater drain valve by turning the knob 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.  Set the thermostat dial to the lowest possible position. 
2.  Rotate and if applicable 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.” 

 

Water heaters are heat producing appliances.  To avoid damage or 
injury, do not store materials against the water heater or vent-air intake 
system.  Use proper care 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.