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Dip T
ube Inspection and Replacement
Step 1. Rotate knob of combination thermostat/gas valve to “OFF” position.
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. Disconnect inlet nipple from plumbing system.
Step 4. With an appropriate wrench, remove inlet nipple/dip tube from the water heater. Use caution not to
damage pipe threads.
Step 5. 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 holes 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 6. Upon completion of inspection or subsequent replacement, reinstall inlet nipple/dip tube into heater.
Connect nipple to plumbing system, resume water supply and refill heater with water.
Step 7. To resume operation follow the instructions located on the lighting instruction label or the lighting
instructions located in the installation and operation manual.
SERVICE PROCEDURE RG-IX
Dip Tube and Anode
Inspection and Replacement
! WARNING
Heater components and stored water may be HOT
when performing the following steps in
this procedure. Take necessary precaution to prevent personal injury.
!