New Water Heater Pounding Puffing Sound

 
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Old 12-24-2017, 05:04 PM   #21
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Re: New Water Heater Pounding Puffing Sound


The vent is real nice.

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Old 12-25-2017, 04:49 PM   #22
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Re: New Water Heater Pounding Puffing Sound


Your anti-hammer valves might be acting as simple harmonic system and vibrating when the water flows....

I'd try and eliminate the "traps" in the flex tubing that might collect steam/air pockets.

Did the hot air rotater( a drop in piece of twisted sheet metal) in the internal heater chimney get removed accidentally... or is the gas burner out of level too close to the tank? ( some are by design on self cleaning models)

And fix the chimney or buy a Carbon monoxide detector and CO2 gas detector....

Your anti-hammer devices need to be closer the valves they protect....
And if you have a back flow preventer on your water service, you need an expansion tank for max fixture and heater life cycles.

Last edited by Fouthgeneration; 12-25-2017 at 05:07 PM. Reason: Anti- hammer valve reading
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Old 12-26-2017, 06:47 AM   #23
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Re: New Water Heater Pounding Puffing Sound


I'd try it without the anti-hammer valves, but no shutoff? Is that a 1/2" supply line?
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Old 12-26-2017, 10:14 PM   #24
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Re: New Water Heater Pounding Puffing Sound


I'm pretty sure codes here in my part of CO call for a shut off on the cold side but not on the hot.

But heck I don't see any shut off valves on either line in the pics and that vent is all friggin wonky.

As far as your noise goes ? Call a plumber. It's probably a bad Flanuten valve. I've seen a few Klonker valves go bad too... but thats rare.
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Old 12-27-2017, 11:49 AM   #25
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Re: New Water Heater Pounding Puffing Sound


Could also be the muffler bearings or the johnson rods, just spitballin' though.....
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Old 12-27-2017, 09:03 PM   #26
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Re: New Water Heater Pounding Puffing Sound


Quote:
Originally Posted by Accent View Post
Since I am obviously not getting any helpfull advice from this online community I will delete my account so as not to further offend you all.
OK, so you guys weren't very nice but really "i'm gonna take my ball and go home?'
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Old 12-27-2017, 09:06 PM   #27
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Re: New Water Heater Pounding Puffing Sound


Back to the original problem:

Around here, you never put a shutoff on the hot side only the cold side

Also, I've never seen hammer arrestors on a water heater? Certainly not the internal bladder type. I've only seen those used on washing machines and ice makers because the water pulses on and off rapidly.

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Last edited by cvtsf; 12-27-2017 at 09:23 PM.
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