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Your RV's water heater anode rod is an important part of maintaining the life of your water heater.
What exactly is an anode rod?
An anode rod is a rod made up of steel and surrounded by either aluminum, magnesium or a zinc/aluminum hybrid. The anode rod is inserted into your water heater and is designed to corrode over time in order to avoid corrosion of the water heater itself.
How often should I change my anode rod?
You should check your anode rod once a year, more in areas with hard water. Anode rods are expected to last up to 3 or 4 years but should be changed when 1/2 of the rod has corroded away.
What tools will I need?
- Teflon tape.
- A 1 1/16 inch socket wrench with extension. If unavailable you can use a crescent wrench and screw driver (see our video
below) - Where can I get an anode rod?
- You can pick up an anode rod at any RV supply house or click on one of our affiliate links at the end of this post.
How do I change the anode rod in my RV's water heater.
- Ensure that you have the propane turned off to your water heater.
- Empty any and all hot water from the water heater tank. Simply run the hot water from your kitchen sink.
- Turn off the supply line to your water heater. (See image 1 below, valve shown in open position).
- Open the pressure relief valve on the water heater (circled in image 2 below).
- Remove the anode rod from the water heater (see the arrow in image 2 below).
- Wait until the water drains from the water heater.
- Grab your 1 1/6 socket or crescent wrench and screwdriver and remove the anode rod.
- Wrap teflon tape around your new anode rod in the opposite direction that you will be screwing the anode rod back in.
- Place the anode rod back into the water heater and tighten. Do NOT over tighten.
- Slowly turn the cold water supply line back on.
Important: DO NOT OVER-TIGHTEN!
That's all there is to it. Congratulations, you've just extended the life of your water heater.
Check out our how to video on YouTube and don't forget to like and subscribe.
Trippin Brehenys uses affiliate links, which means we may get paid a small commission if you make a purchase through one of our affiliate links. This is at no cost to you. Thank you for supporting our site. See our full disclosure Here.
For Suburban and Mor-Flo water heaters click the link below.
For Atwood water heaters click on the link below. Please note there are 2 size options to select from.
Camco RV Anode Rod Magnesium - Fits Atwood Heaters
Let us know how your anode rod replacement went.
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