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Rheem 120810bd how often do I replace the anodes?

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As often as they go out.

Posted on Dec 21, 2013


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Posted on Jan 02, 2017

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SOURCE: Rheem water heater anode replacement

To replace it you will it in the middle of the heat.You will have to have a big wrench or socket to fix it.First turn water off and release psI.Then there won't be a problem to replace.

Posted on Mar 17, 2009

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SOURCE: cant locate anode rod on rheem gaas water heater

It looks like a plug screwed into the top of the water heater (it IS plugging the hole so turn off water and release pressure b4 removing)

Posted on Oct 01, 2009

SOURCE: I have a Rheem 120810bd gas hot water heater ..I

Problem might be crossover:
Sometimes a clog in water line can cause added problems.

Posted on Jun 17, 2011

SOURCE: I have a Rheem 120810BD hot water system and BCC

1) Call Rheem. I don't know the number outside the US.
2) Contact local plumbing supply and ask who sells the Rheem unit. Then call that dealer and inquire about rating.

Posted on Aug 29, 2011

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Anode replacement. where is the anode rod located on a ruud g100-200 gas water heater

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Where is anode rod on hotpoint hw heater model HE40M06JAJOO?

Either in a separate anode port on top of water heater, or connected to cold water nipple with combo anode.


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1 Answer

I can not find the anode on my water heater

1) Copy following link:
2) Anode might be located on hot water nipple as a combo.
Insert carriage bolt when removing nipple to avoid collapsing nipple during extraction.
Regular combo anode rods are available, or buy sausage-link combo available in 12" length to fit low headroom installations.

3) Ordinary 1-1/16" hex Anode might be located under the metal cover on steel tank.

4) If unit has power vent, the anode might be under power vent.
Workaround; Install combo anode to replace hot water nipple.

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I am looking for a magnesium anode for a Rheem natural gaz water heater PV75

There are two types magnesium anode.
1) Hex-head that screws into separate port on top of tank, and comes either 44" long or 12" sausage links.
2) Combo-anode that connects to Hot water nipple, and comes in solid or combo.

Contact guys at following link to purchase anodes

General instructions and types of anodes

Rheem 'preferred parts'
Purpose of resistorized anode is supposedly so magnesium performs as well as aluminum.
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How to how to install the anode rod - for extended warranty - in a new Rheem waterheater?

You are installing a combo anode rod that replaces hot water outlet nipple. This means you will have 2 anode rods, which doubles the anode capacity of tank, which can cause extended life of water heater, assuming that both anodes are inspected each 2-5 years.

Sounds like a heat trap insert is in the way.
Look at parts sheet that comes with product manual.
Pull insert out since it will cause clogs.
Same insert is on cold side nipple.

I want you to contact the Tank forum since they are anode experts:
Tank will recommend magnesium anode and not aluminum.

My understanding is that Rheem water heaters are made so only Rheem brand anodes fit their tanks. While other companies use generic anodes that are sold at any plumbing supply, and also sold at Tank website.

You can configure pipes to make heat traps that save save $2-4 per year on gas water heater operation.

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Water heater anode

If you have power vent, the anode might be located in a separate port on the top under the power vent.
Otherwise, the anode can be a 'combo' and connected to hot water nipple.
Copy following link for more information

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GPS-75-200 anode replacement

The anode is located under the power vent.
Remove power vent to gain access.
Otherwise, remove Hot water nipple and install combo anode rod. If odor is the reason for replacement, then installing a combo without removing the old anode will not solve odor problem until old anode completely dissolves over time.
Copy following link for specific information and illustrations, including odor elimination using hydrogen peroxide.

For easy access next time, you can remove old anode and plug hole, and then install combo rod.
If longevity of tank is reason you are accessing the anode, you can add a second combo anode in addition to the original anode and give longer protection

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