Dip Tube And Anode Inspection And Replacement; Diptube Inspection And Replacement - Bradford White RE3 Service Manual

Diptube Inspection and Replacement

Heater components and stored water may be HOT when performing the following steps in
this procedure. Take necessary precaution to prevent personal injury.
Step 1. Turn power "OFF" to water heater.
Step 2. Turn off cold water supply to heater. Connect hose to drain spigot of water heater and route to an open drain.
Open a nearby hot water faucet to vent heater for draining. Open drain spigot of water heater and allow
heater to drain to a point below the inlet connection nipple.
Step 3. Close drain spigot and remove hose.
Step 4. Disconnect inlet nipple from plumbing system.
Step 5.
With an appropriate wrench, remove inlet nipple/dip tube from the water heater. Use caution not to damage
nipple threads.
Step 6. Visually inspect inlet nipple/dip tube. Inlet nipple/dip tube should be free of cracks and any blockage.
Hydro-jets located near the bottom of the dip tube should be open and free of any blockage.
Anti-siphon hole located approximately 6" from the bottom of nipple, should be free of any blockage.
Any damage such as cracks, restriction due to deformation or unintentional holes are not field repairable
and the inlet nipple/dip tube must be replaced.
Step 7.
Upon completion of inspection or subsequent replacement, reinstall inlet nipple/dip tube into heater. Ensure pipe dope
is used on the nipple's threads. Connect nipple to plumbing system, close spigot and remove drain hose, resume
water supply and refill heater with water.
Step 8. To resume operation, BE SURE TANK IS FULL OF WATER and turn power "ON" to water heater.
Anode Inspection and Replacement
Step 1. Turn power "OFF" to water heater.
Step 2. Turn off cold water supply to heater. Connect hose to drain spigot of water heater and route to an open drain.
Open a nearby hot water faucet to vent heater for draining. Open drain spigot of water heater and allow
heater to drain to a point below the outlet connection nipple.
Step 3.
Close drain spigot and remove hose.
Step 4. Disconnect outlet nipple from plumbing system.
Step 5. With an appropriate wrench, remove outlet nipple/anode from the water heater. Use caution not to damage
nipple threads.
Step 6. Visually inspect outlet nipple/anode. Outlet nipple/anode should show signs of depletion, this is normal.
If depletion is ½ of the original anode diameter (original diameter approximately ¾"), replacement is
recommended. If any of the steel core of the anode is exposed, replacement is recommended.
Step 7. Upon completion of inspection or subsequent replacement, reinstall outlet nipple/anode into heater. Ensure pipe
dope is used on the nipple's threads. Connect nipple to plumbing system, close spigot and remove drain hose,
resume water supply and refill heater with water.
Step 8. To resume operation, BE SURE HEATER IS FULL OF WATER and turn power "ON" to water heater.
SERVICE PROCEDURE RE-VII
Dip Tube and Anode Inspection and
WARNING
Page 35
Replacement
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