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Old 04-29-2013, 10:50 AM   #1
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Suggestions for slow hot water...


Details:

Hot water heater kept popping the circuit making me hit the red button. Discovered the bottom thermostat had melted part of the plastic shield.

I replaced that.

During my shopping I came across a watts hot water recuirculator so I bought it and installed.

Problem:

After turning it on the hot water stopped flowing. It appears the hot water is clogged but also seems like the tank isn't even filling up.

Done so far:

Removed the recuircualtor.
Drained mineral deposits from tank.
Verified that water flows from cold supply out of drain.
Verified water flows from cold supply to hot water out.

Questions:

What steps should I take to resolve this issue?

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Old 04-29-2013, 12:08 PM   #2
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Suggestions for slow hot water...


"Hot water is clogged" is pretty vague.

You're getting hot water out of the heater, but none at ANY of the faucets?

Then, you state that you don't think the tank is filling up, but that you've verified water flows from cold supply, to hot water out. What does that mean?

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Old 04-29-2013, 12:24 PM   #3
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Suggestions for slow hot water...


Are you saying the tank flows OK but the problem is at a faucet?
Where did you put the recirc pump- at the heater or at a faucet?
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Old 04-29-2013, 02:15 PM   #4
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Suggestions for slow hot water...


Sorry to be vague. I think the problem is just mineral deposits.

the problem was basically clogs in the water heater and the hot water pipes

I thought it wasn't filling because I couldn't hear water going in. Turns out it was already full.

How did I find this out? I removed the drain valve all the way so I could try and break up whatever was inside and basically got blasted.

I also found an article about using a dime to block up the faucet closest to the heater and turning on the cold then the hot to force water back through the hot water pipe. That cleared the clog in the hot water pipe.

Now I'm basically alternating between these things and also using my wet vac to blow air in and out of the lines to break up debris.

so far I've gotten I'd say pounds of sediment out.

I'm also using fish tape to stir up the bottom.

If I get good flow back I'll be putting the water recirculator back on.

Thanks for responses. I really appreciate them. You know how it is when things go to sh*t and you have to figure out what to do. You kind of become incoherant.
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Old 04-29-2013, 03:08 PM   #5
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Suggestions for slow hot water...


One thing you didn't mention and I assume you're checking-- clean out the faucet aerators and your shower heads. The debris will deposit there as well.
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Old 04-29-2013, 06:29 PM   #6
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you need to check the out water out rod if you have one, or the copper to steel first fitting into the heater on the hot connection.when the water is going out at 120F there the 2 metals act like magnets and close up the pipe out supply with mineral deposits...

Last edited by biggles; 04-29-2013 at 06:31 PM.
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Old 04-30-2013, 06:55 AM   #7
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Suggestions for slow hot water...


Yes thank you.

I had to go to every faucet in the house and clear them. Some of he faucets don't have a way to remove the airerator so I just removed the connections and used my wet vac to blow out the chunks.

I also used my fish tape to clear the pipe mentioned.

All is well and kids had hot baths last night. I had two.

Thanks again.

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