How to Change a Water Heater Anode Rod | This Old House

This Old House plumbing and heating contractor Richard Trethewey shows a simple way to add years to your water heater, by swapping out the sacrificial metal rod that prevents rust inside the tank. (See below for a shopping list and tools.)
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Shopping List for How to Change a Water Heater Anode Rod:
- anode rod []
- steel pipe [], used to provide extra leverage to ratchet wrench
- teflon tape []
- garden hose [], used to partially drain the water heater
Tools for How to Change a Water Heater Anode Rod:
- screwdriver [], used to remove cover from water heater, if necessary
- ratchet wrench [] and 1 1/16-inch deep socket []
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How to Change a Water Heater Anode Rod | This Old House
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