Service Manual

PV SERVICE PROCEDURE X
Diptube Inspection & Replacement
PV Series
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Diptube Inspection & Replacement
Step 1. Position on/off switch of gas control valve to “OFF” position and 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 vent heater 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 system.
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. Hydrojet slots should be open and 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
water heater. Ensure pipe dope is used on the nipple’s threads. Connect nipple to plumbing
system, resume water supply and refill 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.
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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