Dip tube replacement

Old 07-11-01, 04:32 AM
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How is a dip tube replaced? How difficult is the job to do on a State residential gas water heater? Should the sacrificial anode be replaced at the same time? Heater is 7 years old, on county water system. I am a victim of the disintegrating Perfection brand dip tubes.
Old 07-11-01, 06:45 AM
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Not too difficult.

Flush the crud out of the bottom of the tank first.
(i.e., Hook a hose to the spigot at the bottom of the tank, run it outside or to a drain, open the spigot and let run for a bit.)

Shut off the gas and cold water supply.
Open a faucet to relieve pressure.
Disconnect supply (probably cut if copper; probably disconnect union if galvanized).
Unscrew dip tube and remove.
Insert new dip tube and tighten down (use teflon tape).

After 7 years the sacrificial anode will probably need replacing. Should unscrew from the top.

Reconnect supply.
Close previously opened faucet.
Water supply on - check for leaks.
Gas on; pilot lit.
Run a tub faucet to clear crud.

Might as well have a bath, you're all sweaty by now


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