PDX SERVICE PROCEDURE X
Dip Tube
Inspection and replacement
Step 1. Position on/off switch of gas control valve to “OFF” positionand unplug water heater from wall outlet.
Step 2. Turn off cold water supply to water heater. Connect hose to drain valve of water heater and route to an
open drain. Open a nearby hot water faucet to ventheater for draining. Open drain valve of water
heater and allow heater to drain to a point below the inlet connection nipple.
Step 3. Disconnect inlet nipple from plumbing sys tem.
Step 4 With an appropriate tool such as a pipe 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-jet slots sho uld be open and free of an y blockage.
Any damage such as cracks, restriction due to deformation or unintentional holes are not field
repairable and the inle t nipple/dip tube must be rep laced.
Step 6. Upon completion of i nspection or subsequent replacement, reinstall i nlet nipple/dip tube into w ater
heater. Connect nipple to plumbing system, resume water supply and refill with water.
Step 7. To resume operation foll ow the instructions located on the lighting instructio n label or the lighting
instructions located in the installation and operation manual.
Dip Tube Inspection and Replacement
WARNING
Water Heater components and stored water may be HOT when performing the following
steps in this procedure. Take necessary precaution to prevent personal injury.
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