Companion Magnesium Anode

Most water heaters have an in-built anode rod to protect the unit from breaking down internally. These anodes should be replaced when the unit has degraded more then 75% which should be checked annually, depending on the amount of water used.


Protects your water heater

Improves water quality

Designed for suburban RV water filters

DIY Installation

241mm long 3/4″ NPT Thread


Thread: 3/4″ NPT

Length: 241mm


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