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
wgriswold's avatar
wgriswold
Explorer
Jan 15, 2019
I have checked the electrical conductivity between the sacrificial anode and the metal of the water heater and Teflon tape does not prevent it.

I believe that, in order to protect the metal of the water heater, there must be contact between the anode and the metal of the water heater.

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