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BB_TX's avatar
BB_TX
Nomad
Jan 15, 2019

Water heater, anode rod, electrolysis, and teflon tape

It is often stated on RV forums that you should not use teflon tape on the anode rod threads as it could interfere with the electrical contact. Being fairly knowledgeable in electric (retired EE) and ...
Seeking Advice
BCSnob's avatar
BCSnob
Explorer
Apr 15, 2021
Ions flow in the water between the heater metal and the anode rod; electrons must flow between the heater metal and anode rod via an electrical connection (at the threads) in order to balance the charge being produced during electrolysis.

If you disconnect one side of your battery from the RV (no electrical connection) do you get electrolysis inside your battery (do your lights work)?

Read up on Galvanic cells in:
Encyclopedia of Physical Science and Technology (Third Edition), 2003

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