Forum Discussion

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
Caesar_Ritchie's avatar
Caesar_Ritchie
Explorer
Apr 15, 2021
The metal threads do not need to make contact with each other. Electrolysis is the chemical reaction that takes place inside the tank and has nothing to do with the threads. To protect the metal of the water heater you need to take care while choosing the size of the water heater, there must be contact between the anode and the metal of the water heater.

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